Fix: Prevent context menu on images in settings.

Revert mobile change.
Messages: Add channel id matching.

src/pages/settings/panes/Panes.module.scss

@@ -500,12 +500,12 @@
     flex-direction: column;
 }
 
-.experiments { /* TOFIX: Center the "No new experiments available at this time" text without having a scrollbar */
-    height: 100%;
+.experiments {
+    height: calc(100% - 40px);
+
     .empty {
         display: flex;
         justify-content: center;
         align-items: center;
-        height: 100%;
     }
 }