PLT-5699 Improvements to channel switcher (#6486)

* Refactor channel switcher to not wait on server results

* Change channel switcher to quick switcher and include team switching

* Add sections, update ordering and add discoverability button

* Fix styling error

* Use CMD in text if on mac

* Clean yarn cache on every install

* Various UX updates per feedback

* Add shortcut help text for team switcher

* Couple more updates per feedback

* Some minor fixes for GM and autocomplete race

* Updating UI for channel switcher (#6504)

* Updating channel switcher button (#6506)

* Updating switcher modal on mobile (#6507)

* Removed jQuery usage

* Rename function to toggleQuickSwitchModal

webapp/sass/components/_modal.scss

@@ -76,6 +76,18 @@
         color: alpha-color($black, .9);
         width: 100%;
 
+        .channel-switch-modal {
+            .modal-header {
+                background: transparent;
+                min-height: 0;
+                padding: 0;
+
+                .close {
+                    top: 10px;
+                }
+            }
+        }
+
         .modal--overflow {
             .modal-body {
                 overflow: visible;

webapp/sass/components/_suggestion-list.scss

@@ -52,6 +52,10 @@
     position: relative;
 }
 
+.suggestion-loader {
+    margin: 6px 11px;
+}
+
 .suggestion-list__divider {
     line-height: 21px;
     margin: 5px 0 5px 5px;