fix: hide member count if self not in group (#5704)

Author: nicodh

packages/frontend/src/components/dialogs/ViewGroup.tsx

@@ -445,9 +445,11 @@ function ViewGroupInner(
               className='group-separator'
             >
               {!isBroadcast
-                ? tx('n_members', group.contactIds.length.toString(), {
-                    quantity: group.contactIds.length,
-                  })
+                ? group.selfInGroup
+                  ? tx('n_members', group.contactIds.length.toString(), {
+                      quantity: group.contactIds.length,
+                    })
+                  : ''
                 : tx('n_recipients', group.contactIds.length.toString(), {
                     quantity: group.contactIds.length,
                   })}

packages/frontend/src/components/screens/MainScreen/MainScreen.tsx

@@ -340,9 +340,13 @@ function chatSubtitle(chat: Type.FullChat) {
   const tx = window.static_translate
   if (chat.id && chat.id > C.DC_CHAT_ID_LAST_SPECIAL) {
     if (chat.chatType === C.DC_CHAT_TYPE_GROUP) {
-      return tx('n_members', [String(chat.contactIds.length)], {
-        quantity: chat.contactIds.length,
-      })
+      if (chat.selfInGroup) {
+        return tx('n_members', [String(chat.contactIds.length)], {
+          quantity: chat.contactIds.length,
+        })
+      } else {
+        return '…'
+      }
     } else if (
       chat.chatType === C.DC_CHAT_TYPE_SINGLE &&
       chat.contacts[0]?.isBot