Fix incomplete flex style on trends items (#7655)

app/javascript/styles/mastodon/components.scss

@@ -5259,6 +5259,9 @@ noscript {
         font-size: 14px;
         font-weight: 500;
         display: block;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
 
         &:hover,
         &:focus,
@@ -5271,6 +5274,7 @@ noscript {
     }
 
     &__current {
+      flex: 0 0 auto;
       width: 100px;
       font-size: 24px;
       line-height: 36px;
@@ -5280,6 +5284,7 @@ noscript {
     }
 
     &__sparkline {
+      flex: 0 0 auto;
       width: 50px;
 
       path {