fix config names. Fixes #7276

src/common/connection.py

@@ -2384,7 +2384,7 @@ class Connection(CommonConnection, ConnectionHandlers):
         if not change_nick:
             t = p.setTag(nbxmpp.NS_MUC + ' x')
             tags = {}
-            timeout = gajim.config.get_per('room', room_jid,
+            timeout = gajim.config.get_per('rooms', room_jid,
                 'muc_restore_timeout')
             if timeout is None or timeout == -2:
                 timeout = gajim.config.get('muc_restore_timeout')
@@ -2398,7 +2398,7 @@ class Connection(CommonConnection, ConnectionHandlers):
                 last_date = time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime(
                     last_date))
                 tags['since'] = last_date
-            nb = gajim.config.get_per('room', room_jid, 'muc_restore_lines')
+            nb = gajim.config.get_per('rooms', room_jid, 'muc_restore_lines')
             if nb is None or nb == -2:
                 nb = gajim.config.get('muc_restore_lines')
             if nb >= 0: