Chore: Use context.Context for the get home dashboard API endpoint (#36735)

Use context.Context for the get home dashboard API endpoint.

Ref #36734

pkg/services/sqlstore/sqlstore.go

@@ -109,6 +109,7 @@ func (ss *SQLStore) Init() error {
 	ss.addUserQueryAndCommandHandlers()
 	ss.addAlertNotificationUidByIdHandler()
 	ss.addPreferencesQueryAndCommandHandlers()
+	ss.addDashboardQueryAndCommandHandlers()
 
 	if err := ss.Reset(); err != nil {
 		return err