Merge ddnet#6807

6807: Fix online clan friends not being removable via UI r=edg-l a=Robyt3



## Checklist

- [X] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test (especially base/) or added coverage to integration test
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: Robert Müller <[email protected]>

src/game/client/components/menus_browser.cpp

@@ -1645,7 +1645,7 @@ void CMenus::RenderServerbrowserFriends(CUIRect View)
 
 void CMenus::PopupConfirmRemoveFriend()
 {
-	m_pClient->Friends()->RemoveFriend(m_pRemoveFriend->Name(), m_pRemoveFriend->Clan());
+	m_pClient->Friends()->RemoveFriend(m_pRemoveFriend->FriendState() == IFriends::FRIEND_PLAYER ? m_pRemoveFriend->Name() : "", m_pRemoveFriend->Clan());
 	FriendlistOnUpdate();
 	Client()->ServerBrowserUpdate();
 	m_pRemoveFriend = nullptr;