Adds a name filter to the API for GetMilestoneList

Includes a small refactor: merge GetMilestones and GetMilestonesByRepoID

Close #12260

Needed for https://gitea.com/gitea/go-sdk/issues/383 and https://gitea.com/gitea/tea/pulls/149

* Refactor Issue Filter Func

* ListIssues add filter for milestones

* as per @lafriks

* documentation ...

* Fix milestones too many SQL variables bug

* Fix test

* Don't display repositories with no milestone and fix tests

* Remove unused code and add some comments

* Fix milestone API state parameter unhandled

* Fix test

* paginate results

* fixed deadlock

* prevented breaking change

* updated swagger

* go fmt

* fixed find topic

* go mod tidy

* go mod vendor with go1.13.5

* fixed repo find topics

* fixed unit test

* added Limit method to Engine struct; use engine variable when provided; fixed gitignore

* use ItemsPerPage for default pagesize; fix GetWatchers, getOrgUsersByOrgID and GetStargazers; fix GetAllCommits headers; reverted some changed behaviors

* set Page value on Home route

* improved memory allocations

* fixed response headers

* removed logfiles

* fixed import order

* import order

* improved swagger

* added function to get models.ListOptions from context

* removed pagesize diff on unit test

* fixed imports

* removed unnecessary struct field

* fixed go fmt

* scoped PR

* code improvements

* code improvements

* go mod tidy

* fixed import order

* fixed commit statuses session

* fixed files headers

* fixed headers; added pagination for notifications

* go mod tidy

* go fmt

* removed Private from user search options; added setting.UI.IssuePagingNum as default valeu on repo's issues list

* Apply suggestions from code review

Co-Authored-By: 6543 <6543@obermui.de>
Co-Authored-By: zeripath <art27@cantab.net>

* fixed build error

* CI.restart()

* fixed merge conflicts resolve

* fixed conflicts resolve

* improved FindTrackedTimesOptions.ToOptions() method

* added backwards compatibility on ListReleases request; fixed issue tracked time ToSession

* fixed build error; fixed swagger template

* fixed swagger template

* fixed ListReleases backwards compatibility

* added page to user search route

Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>

Extensively extend the times API.

close #8833; close #8513; close #8559

Create a /milestones endpoint which basically serves as a dashboard view for milestones, very similar to the /issues or /pulls page.

Closes #8232

* fix milestone num_issues

* update missing completeness

* only update milestone closed number when closed issue is assigned a new milestone or clear milestone

* fix tests

* fix update milestone num

* fix completeness calculate

* make completeness calucation more clear

* display ui time with customize time location

* fix lint

* rename UILocation to DefaultUILocation

* move time related functions to modules/timeutil

* fix tests

* fix tests

* fix build

* fix swagger

* Support state params

* update tests

* fix tests

* add state=all support

* update tests

* update swagger

* update swagger

* move sdk structs to moduels/structs

* fix tests

* fix fmt

* fix swagger

* fix vendor

* add more webhook support

* move hooks templates to standalone dir and add more webhooks ui

* fix tests

* update vendor checksum

* add more webhook support

* move hooks templates to standalone dir and add more webhooks ui

* fix tests

* update vendor checksum

* update vendor

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* load attributes when created release

* update comparsion doc

* Show total tracked time in issue and milestone list
Show total tracked time at issue page

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Optimizing TotalTimes by using SumInt

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fixing wrong total times for milestones caused by a missing JOIN
Adding unit tests for total times

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Logging error instead of ignoring it

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Correcting spelling mistakes

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Change error message to a short version

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add error handling to TotalTimes
Add variable for totalTimes

Signed-off-by: Jonas Franz <info@jonasfranz.de>

* Introduce TotalTrackedTimes as variable of issue
Load TotalTrackedTimes by loading attributes of IssueList
Load TotalTrackedTimes by loading attributes of single issue
Add Sec2Time as helper to use it in templates

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fixed test + gofmt

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Load TotalTrackedTimes via MilestoneList instead of single requests

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add documentation for MilestoneList

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add documentation for MilestoneList

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix test

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Change comment from SQL query to description

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix unit test by using int64 instead of int

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix unit test by using int64 instead of int

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Check if timetracker is enabled

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix test by enabling timetracking

Signed-off-by: Jonas Franz <info@jonasfranz.de>

Signed-off-by: Lauris Bukšis-Haberkorns <lauris@nix.lv>

* refactor struct's time to remove unnecessary memory usage

* use AsTimePtr simple code

* fix tests

* fix time compare

* fix template on gpg

* use AddDuration instead of Add