[doctor] pq: syntax error at or near "." quote user table name (#19765) (#19770)

Backport #19765

modules/doctor/dbconsistency.go

@@ -188,10 +188,10 @@ func checkDBConsistency(logger log.Logger, autofix bool) error {
 			"action", "repository", "action.repo_id=repository.id"),
 		// find OAuth2Grant without existing user
 		genericOrphanCheck("Orphaned OAuth2Grant without existing User",
-			"oauth2_grant", "user", "oauth2_grant.user_id=user.id"),
+			"oauth2_grant", "user", "oauth2_grant.user_id=`user`.id"),
 		// find OAuth2Application without existing user
 		genericOrphanCheck("Orphaned OAuth2Application without existing User",
-			"oauth2_application", "user", "oauth2_application.uid=user.id"),
+			"oauth2_application", "user", "oauth2_application.uid=`user`.id"),
 		// find OAuth2AuthorizationCode without existing OAuth2Grant
 		genericOrphanCheck("Orphaned OAuth2AuthorizationCode without existing OAuth2Grant",
 			"oauth2_authorization_code", "oauth2_grant", "oauth2_authorization_code.grant_id=oauth2_grant.id"),