Add a limit to workflow queue per workspace (#12908)

- new status `ENQUEUED` added. With a command to backfill
- counter in cache per workspace, managed by a new service
[workflow-run-queue.workspace-service.ts](https://github.com/twentyhq/twenty/compare/tt-improve-workflow-run-queueing?expand=1#diff-1e2de2a48cd482a3bd7e8dedf1150a19d0b200afbd9282181a24ecddddb56927)
- cron added that will run every minute to look for not started
workflows

Here is the new flow:
- When executing a workflow, we check if the queue is not full. If not,
run is created as `ENQUEUED` and the run workflow job is triggered as
usual. If full, create the run as NOT_STARTED and do not trigger the job
- Cron will look for NOT_STARTED workflows and queue some if there is
some place again
- Only MANUAL and Form submit skip the queue limit

packages/twenty-server/src/modules/workflow/common/standard-objects/workflow-run.workspace-entity.ts

@@ -30,6 +30,7 @@ export enum WorkflowRunStatus {
   RUNNING = 'RUNNING',
   COMPLETED = 'COMPLETED',
   FAILED = 'FAILED',
+  ENQUEUED = 'ENQUEUED',
 }
 
 export type StepOutput = {
@@ -117,6 +118,12 @@ export class WorkflowRunWorkspaceEntity extends BaseWorkspaceEntity {
         position: 3,
         color: 'red',
       },
+      {
+        value: WorkflowRunStatus.ENQUEUED,
+        label: 'Enqueued',
+        position: 4,
+        color: 'blue',
+      },
     ],
     defaultValue: "'NOT_STARTED'",
   })