Integrate latest DatasourceMenu props into index-management MDS support

[CaptainDredge]

Description

This PR updates index-management dashboard with the latest changes of data source picker component and removes dataSourceLabel from the URL

Issues Resolved

Resolves #1028

Check List

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[BionIT]

Thanks @CaptainDredge for the change! Noticed 3 pages don't have the data source id in the url

1. notification - is it owned by a different plugin?
   

2. templates
   

3. data streams
   

Will they be fixed in another PR?

Another thing noticed is the datasourceId in the url is set to empty string instead of the default data source thus in Neo use case, it would fail on initial load until user makes a different choice. To verify, use the recent main branch and switch the config in yaml data_source.hideLocalCluster: true

[CaptainDredge]

notification - is it owned by a different plugin?

@BionIT Yes it is owned by notification plugin team owned by @praveensameneni

Template and datastreams are owned by us and recent changes in main should now have the datasourceId

To verify, use the recent main branch and switch the config in yaml data_source.hideLocalCluster: true

Recently, PR #1036 got merged in Main, can you check once if this behaviour still exists?