[Multiple Datasource] Do not pass dataSourceEnabled as parameter, determine it from saved object service itself

[yujin-emma]

Is your feature request related to a problem? Please describe.

dataSourceEnabled should be determined by saved object itself.
Open issue to resolve this comment: #6395 (comment)

Describe the solution you'd like

Get the dataSourceEnabled value frm yml directly
Describe alternatives you've considered

A clear and concise description of any alternative solutions or features you've considered.

Additional context

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