Add support for showing the user's own status over their avatar on the app's Settings button. (#5912)

* Add a common .inverseMask view modifier and use a blend mode for efficiency.

This also fixes the snapshot rendering 🎉

* Add support for the status emoji on the app's Setting button.

* Align the room header decoration icons with the status emoji.

* Add missing snapshots.

PreviewTests/Sources/GeneratedPreviewTests.swift

@@ -95,6 +95,13 @@ extension PreviewTests {
         }
     }
 
+    @Test
+    func avatarSettingsButtonLabel() async throws {
+        for (index, preview) in AvatarSettingsButtonLabel_Previews._allPreviews.enumerated() {
+            try await assertSnapshots(matching: preview, step: index)
+        }
+    }
+
     @Test
     func badgeLabel() async throws {
         for (index, preview) in BadgeLabel_Previews._allPreviews.enumerated() {