chore: remove sqlstore & mockstore dependencies from (most) packages (#57087)

* chore: add alias for InitTestDB and Session

Adds an alias for the sqlstore InitTestDB and Session, and updates tests using these to reduce dependencies on the sqlstore.Store.

* next pass of removing sqlstore imports
* last little bit
* remove mockstore where possible

pkg/services/sqlstore/sqlstore.go

@@ -505,6 +505,11 @@ func InitTestDB(t ITestDB, opts ...InitTestDBOpt) *SQLStore {
 	return store
 }
 
+func InitTestDBWithCfg(t ITestDB, opts ...InitTestDBOpt) (*SQLStore, *setting.Cfg) {
+	store := InitTestDB(t, opts...)
+	return store, store.Cfg
+}
+
 func initTestDB(migration registry.DatabaseMigrator, opts ...InitTestDBOpt) (*SQLStore, error) {
 	testSQLStoreMutex.Lock()
 	defer testSQLStoreMutex.Unlock()