fix(gists): fixed old way of querying for gist store

rhodecode/model/db.py

@@ -4997,10 +4997,9 b' class Gist(Base, BaseModel):'
         :param cls:
         """
         from rhodecode.model.gist import GIST_STORE_LOC
-        q = Session().query(RhodeCodeUi)\
-            .filter(RhodeCodeUi.ui_key == URL_SEP)
-        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
-        return os.path.join(q.one().ui_value, GIST_STORE_LOC)
+        from rhodecode.lib.utils import get_rhodecode_repo_store_path
+        repo_store_path = get_rhodecode_repo_store_path()
+        return os.path.join(repo_store_path, GIST_STORE_LOC)
 
     def get_api_data(self):
         """