FE: KC: Bulk operations for connectors

[Nilumilak]

Also:

• Added Pause button to the ActionsCell (before you could only Resume)
• chevronDownIcon color was fixed

resolves #221

• Breaking change? (if so, please describe the impact and migration path for existing application instances)

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• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged

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[Mgrdich]

@Haarolean can we have an endpoint for this that does bulk delete so we don't need to do this multiple promises here ?

[Haarolean]

we sure can do that