[Security Solution]Error message is displayed even action is not added

[sukhwindersingh-qasource]

Describe the bug: Error message is displayed even action is not added

Build Details:

VERSION : 8.5.0
BUILD: 56148
COMMIT:  1d7d0563fbdc327e9afe8d7a94495546940c1357

Preconditions

1. Kibana should be running.

Steps to Reproduce

1. Navigate to Security in kibana.
2. Click on rules then click on create new rule..
3. Now Under rule action add connectors then click create

Actual Result Error message is displayed even action is not added.

Expected Result no error message should be displayed if action is not added.

Whats working 1.Servicenow Itom 2.Webhook 3.Email 4.Index 5.Teams 6.Slack

Whats not working 1.Resilient 2.PagerDuty 3.Servicenow 4.Swimlane

Screen-Recording:

https://user-images.githubusercontent.com/108654988/189895101-cf9bbee0-7401-4afe-aa30-d2c19537c37a.mp4

[elasticmachine]

Pinging @elastic/security-solution (Team: SecuritySolution)

[elasticmachine]

Pinging @elastic/security-detections-response (Team:Detections and Resp)

[banderror]

@sukhwindersingh-qasource Great catch!

This is what we send in the POST /api/detection_engine/rules request when an empty Swimlane action (with no connector created) is added in the UI. Notice the id: "1", hence the Failed to load action 1 (404): Saved object [action/1] not found (400):

[pborgonovi]

Validated latest 8.15 BC and it's still present: