Update copy of 'Change layout' button to match Element Call (#9703)

Author: robintown

src/components/views/rooms/RoomHeader.tsx

@@ -385,7 +385,7 @@ const CallLayoutSelector: FC<CallLayoutSelectorProps> = ({ call }) => {
                 "mx_RoomHeader_layoutButton--spotlight": layout === Layout.Spotlight,
             })}
             onClick={onClick}
-            title={_t("Layout type")}
+            title={_t("Change layout")}
             alignment={Alignment.Bottom}
             key="layout"
         />

src/i18n/strings/en_EN.json

@@ -1961,7 +1961,7 @@
     "You do not have permission to start voice calls": "You do not have permission to start voice calls",
     "Freedom": "Freedom",
     "Spotlight": "Spotlight",
-    "Layout type": "Layout type",
+    "Change layout": "Change layout",
     "Forget room": "Forget room",
     "Hide Widgets": "Hide Widgets",
     "Show Widgets": "Show Widgets",