fix(server-core): Display refresh scheduler interval error as warning (#6473)

* edited

* fix

Author: MikeNitsenko

packages/cubejs-server-core/src/core/server.ts

@@ -345,8 +345,8 @@ export class CubejsServerCore {
         () => this.handleScheduledRefreshInterval({}),
         {
           interval: scheduledRefreshTimer,
-          onDuplicatedExecution: (intervalId) => this.logger('Refresh Scheduler Interval Error', {
-            error: `Previous interval #${intervalId} was not finished with ${scheduledRefreshTimer} interval`
+          onDuplicatedExecution: (intervalId) => this.logger('Refresh Scheduler Interval', {
+            warning: `Previous interval #${intervalId} was not finished with ${scheduledRefreshTimer} interval`
           }),
           onDuplicatedStateResolved: (intervalId, elapsed) => this.logger('Refresh Scheduler Long Execution', {
             warning: `Interval #${intervalId} finished after ${formatDuration(elapsed)}`