[web][native] hide media gallery for thick threads

Summary:
[ENG-9315](https://linear.app/comm/issue/ENG-9315/media-tab-is-empty-for-thick-threads-on-the-web).

Hiding media gallery for thick threads.

Test Plan:
1. On web and native this in not possible to access/see media gallery for thick threads.
1. For thin threads it works as previously.

Reviewers: tomek

Reviewed By: tomek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D13448

native/chat/settings/thread-settings.react.js

@@ -48,6 +48,7 @@ import { threadPermissions } from 'lib/types/thread-permission-types.js';
 import {
   threadTypes,
   threadTypeIsSidebar,
+  threadTypeIsThick,
 } from 'lib/types/thread-types-enum.js';
 import type { UserInfos } from 'lib/types/user-types.js';
 import {
@@ -702,6 +703,10 @@ class ThreadSettings extends React.PureComponent<Props, State> {
         const listData: ChatSettingsItem[] = [];
         const limit = 6;
 
+        if (threadTypeIsThick(threadInfo.type)) {
+          return listData;
+        }
+
         listData.push({
           itemType: 'mediaGallery',
           key: 'mediaGallery',

web/chat/thread-menu.react.js

@@ -106,17 +106,19 @@ function ThreadMenu(props: ThreadMenuProps): React.Node {
     [popModal, pushModal, threadInfo],
   );
 
-  const threadMediaGalleryItem = React.useMemo(
-    () => (
+  const threadMediaGalleryItem = React.useMemo(() => {
+    if (threadTypeIsThick(threadInfo.type)) {
+      return null;
+    }
+    return (
       <MenuItem
         key="threadMediaGallery"
         text="Media"
         icon="image-1"
         onClick={onClickThreadMediaGallery}
       />
-    ),
-    [onClickThreadMediaGallery],
-  );
+    );
+  }, [onClickThreadMediaGallery, threadInfo.type]);
 
   const childThreads = useSelector(
     state => childThreadInfos(state)[threadInfo.id],