Move RequiresClient from MatrixCapabilities to ElementWidgetCapabilities

Signed-off-by: Robin Kouwenhoven <[email protected]>

Author: rkouwenhoven

src/stores/widgets/ElementWidgetCapabilities.ts

@@ -19,4 +19,9 @@ export enum ElementWidgetCapabilities {
      * @deprecated Use MSC2931 instead.
      */
     CanChangeViewedRoom = "io.element.view_room",
+    /**
+     * Ask Element to not give the option to move the widget into a separate tab.
+     * This replaces RequiresClient in MatrixCapabilities.
+     */
+     RequiresClient = "io.element.requires_client",
 }