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- Move componentWillMount and componentWillReceiveProps logic to
  getDerivedStateFromProps.
- Compute CW auto-unfold status earlier

Fixes #832

Port f978afa487 to glitch-soc

Port 180ae0472a to glitch-soc

Fixes #819

Port c875f19673 to glitch-soc

Partially port 90b64c0069

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Port 5ee0b51ac8 to glitch-soc

e.g., typing “blob_cat_p” used to search for “blob” and “cat”, but not
“blob_cat_p”, which means “blob_cat_patpat” is very unlikely to show up,
although it is likely what the user wanted to type in the first place.

Port 6e1a4f85ad to glitch-soc

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