fix(import): check exists (#4268)

* fix(import): check if org exists and user

* refactor: imports

* fix(user): ignore malformed events

* refactor: method naming

* fix: test

* refactor: correct errors.Is call

internal/eventstore/handler/crdb/lock_test.go

@@ -167,7 +167,7 @@ func TestStatementHandler_renewLock(t *testing.T) {
 					expectLockNoRows(lockTable, workerName, 2, "instanceID"),
 				},
 				isErr: func(err error) bool {
-					return errors.As(err, &renewNoRowsAffectedErr)
+					return errors.Is(err, renewNoRowsAffectedErr)
 				},
 			},
 			args: args{