Fixed an issue where the dependent tab throwing an error when selecting any login/group role. Fixes #6294

web/pgadmin/browser/server_groups/servers/databases/__init__.py

@@ -375,7 +375,7 @@ class DatabaseView(PGChildNodeView):
             if self.manager.db == db:
                 connected = True
             else:
-                conn = self.manager.connection(row['name'])
+                conn = self.manager.connection(database=row['name'])
                 connected = conn.connected()
             icon_css_class = "pg-icon-database"
             if not connected:

web/pgadmin/browser/server_groups/servers/roles/__init__.py

@@ -1106,7 +1106,7 @@ rolmembership:{
             # a new connection to run the query and fetch the dependents.
             is_connected = True
             try:
-                temp_conn = manager.connection(db_row['datname'])
+                temp_conn = manager.connection(database=db_row['datname'])
                 is_connected = temp_conn.connected()
                 if not is_connected:
                     temp_conn.connect()