MM-61685: Provide visual labels or instructions for user input

[SaurabhSharma-884]

Summary

The Keywords that trigger notifications edit field label is not descriptive and also additional information is not associated with the edit field.

Steps to reproduce

• Navigate to the Keywords that trigger notifications edit button and select it.
• Now navigate to the Keywords that trigger notifications edit field.
• Notice that the label is not descriptive for the edit field and and also additional information is not associated with the edit field.

Ticket Link

https://mattermost.atlassian.net/browse/MM-61685

Screenshots

before	after

Release Note

NONE

[ayush-chauhan233]

Not able to locate referenced aria-describedby attribute in the input element

[SaurabhSharma-884]

Not able to locate referenced aria-describedby attribute in the input element

aria-describedby prop is being overridden internally. This seems to be a library issue.

https://github.com/JedWatson/react-select/blob/179b8166cafc6540ec7a3c6091320c18b8aff75a/packages/react-select/src/Select.tsx#L1742