[Security Solution]Toast notification for adding endpoint exception is wrong.

[sukhwindersingh-qasource]

Describe the bug:

• Toast notification for adding endpoint exception is wrong.

Build Details:

VERSION: 8.8.0 BC1
BUILD: 62765
COMMIT: d0327fc75720e56ee76b640f07ffd1b154a348a8

Preconditions

• Kibana should be running.
• mimikatz alerts should be present on kibana.

Steps to Reproduce

• Navigate to Alerts tab.
• Click on more option for the mimikatz alert.
• Click on add Endpoint exceptions.
• Fill the mandatory fields.
• Click on Add endpoint exception.
• Toast notification for adding endpoint exception is wrong.

Actual Result

• Toast notification for adding endpoint exception is wrong.

Expected Result

• Toast notification message shown should be "Endpoint exception is added to shared exception list"

Screen-Recording

https://user-images.githubusercontent.com/108654988/235432146-382d6c6c-4c3d-40c2-83ff-ca98a77a1da4.mp4

[elasticmachine]

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

[elasticmachine]

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