Fixed timepicker css issue introduced by PR #14700 and remove hotfix from 297241c4

public/sass/components/_timepicker.scss

@@ -20,10 +20,12 @@
   display: flex;
   flex-direction: column;
   position: absolute;
+  left: 20px;
   right: 20px;
   top: $navbarHeight;
 
   @include media-breakpoint-up(md) {
+    left: auto;
     width: 550px;
   }