[v10.0.x] Chore: Ignore unique constrain failure when creating the main organization (#68674)

Chore: Ignore unique constrain failure when creating the main organization (#68644)

Chore: Ignore unique constrain failure when creatin the main organization
(cherry picked from commit 633b7875e7)

Co-authored-by: Sofia Papagiannaki <1632407+papagian@users.noreply.github.com>

pkg/services/sqlstore/user.go

@@ -157,6 +157,7 @@ func (ss *SQLStore) getOrCreateOrg(sess *DBSession, orgName string) (int64, erro
 		if has {
 			return org.ID, nil
 		}
+		ss.log.Debug("auto assigned organization not found")
 
 		if ss.Cfg.AutoAssignOrgId != 1 {
 			ss.log.Error("Could not create user: organization ID does not exist", "orgID",
@@ -168,6 +169,11 @@ func (ss *SQLStore) getOrCreateOrg(sess *DBSession, orgName string) (int64, erro
 		org.Name = mainOrgName
 		org.ID = int64(ss.Cfg.AutoAssignOrgId)
 		if err := sess.InsertId(&org, ss.Dialect); err != nil {
+			ss.log.Error("failed to insert organization with provided id", "org_id", org.ID, "err", err)
+			// ignore failure if for some reason the organization exists
+			if ss.GetDialect().IsUniqueConstraintViolation(err) {
+				return org.ID, nil
+			}
 			return 0, err
 		}
 	} else {