Add setting to hide avatars of rooms you have been invited to. (#29497)

* Add ability to block images of rooms you have been invited to.

* strings

* Add tests

* fix snapshot

* tweaks

* lint

src/settings/Settings.tsx

@@ -1,5 +1,5 @@
 /*
-Copyright 2024 New Vector Ltd.
+Copyright 2024, 2025 New Vector Ltd.
 Copyright 2018-2024 The Matrix.org Foundation C.I.C.
 Copyright 2017 Travis Ralston
 
@@ -312,6 +312,7 @@ export interface Settings {
     "lowBandwidth": IBaseSetting<boolean>;
     "fallbackICEServerAllowed": IBaseSetting<boolean | null>;
     "showImages": IBaseSetting<boolean>;
+    "showAvatarsOnInvites": IBaseSetting<boolean>;
     "RoomList.preferredSorting": IBaseSetting<SortingAlgorithm>;
     "RightPanel.phasesGlobal": IBaseSetting<IRightPanelForRoomStored | null>;
     "RightPanel.phases": IBaseSetting<IRightPanelForRoomStored | null>;
@@ -1116,6 +1117,11 @@ export const SETTINGS: Settings = {
         displayName: _td("settings|image_thumbnails"),
         default: true,
     },
+    "showAvatarsOnInvites": {
+        supportedLevels: LEVELS_ACCOUNT_SETTINGS,
+        displayName: _td("settings|invite_avatars"),
+        default: true,
+    },
     "RoomList.preferredSorting": {
         supportedLevels: [SettingLevel.DEVICE],
         default: SortingAlgorithm.Recency,