Multiple UI Improvements (#4200)

* Multiple UI Improvements

* Adjusting return to call position on mobile

webapp/utils/utils.jsx

@@ -585,7 +585,7 @@ export function applyTheme(theme) {
         changeCss('.app__body .channel-header #member_popover', 'color:' + changeOpacity(theme.centerChannelColor, 0.8), 1);
         changeCss('.app__body .custom-textarea, .app__body .custom-textarea:focus, .app__body .file-preview, .app__body .post-image__details, .app__body .sidebar--right .sidebar-right__body, .app__body .markdown__table th, .app__body .markdown__table td, .app__body .suggestion-list__content, .app__body .modal .modal-content, .app__body .modal .settings-modal .settings-table .settings-content .divider-light, .app__body .webhooks__container, .app__body .dropdown-menu, .app__body .modal .modal-header, .app__body .popover', 'border-color:' + changeOpacity(theme.centerChannelColor, 0.2), 1);
         changeCss('.app__body .popover.bottom>.arrow', 'border-bottom-color:' + changeOpacity(theme.centerChannelColor, 0.25), 1);
-        changeCss('.app__body .search-help-popover .search-autocomplete__divider span', 'color:' + changeOpacity(theme.centerChannelColor, 0.7), 1);
+        changeCss('.app__body .search-help-popover .search-autocomplete__divider span, .app__body .suggestion-list__divider > span', 'color:' + changeOpacity(theme.centerChannelColor, 0.7), 1);
         changeCss('.app__body .popover.right>.arrow', 'border-right-color:' + changeOpacity(theme.centerChannelColor, 0.25), 1);
         changeCss('.app__body .popover.left>.arrow', 'border-left-color:' + changeOpacity(theme.centerChannelColor, 0.25), 1);
         changeCss('.app__body .popover.top>.arrow', 'border-top-color:' + changeOpacity(theme.centerChannelColor, 0.25), 1);