[Glitch] Fix scrolling issues when closing some dropdown menus

Port c7cfd4e67a to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/components/dropdown_menu.js

@@ -205,7 +205,7 @@ export default class Dropdown extends React.PureComponent {
 
   handleClose = () => {
     if (this.activeElement) {
-      this.activeElement.focus();
+      this.activeElement.focus({ preventScroll: true });
       this.activeElement = null;
     }
     this.props.onClose(this.state.id);

app/javascript/flavours/glitch/features/compose/components/dropdown.js

@@ -57,7 +57,7 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
     } else {
       const { top } = target.getBoundingClientRect();
       if (this.state.open && this.activeElement) {
-        this.activeElement.focus();
+        this.activeElement.focus({ preventScroll: true });
       }
       this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
       this.setState({ open: !this.state.open, openedViaKeyboard: type !== 'click' });
@@ -100,7 +100,7 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
 
   handleClose = () => {
     if (this.state.open && this.activeElement) {
-      this.activeElement.focus();
+      this.activeElement.focus({ preventScroll: true });
     }
     this.setState({ open: false });
   }