[Feature] Optimizing the populated news resources based on filtering

[LinX64]

There was a TODO in the OfflineFirstNewsRepository class which was referring to making the getNewsResources() more efficient. In this PR, it retrieves the news resource IDs based on filter conditions using the getNewsResourceIdsByFilter() function and makes it more efficient.

[LinX64]

@tunjid Would love to hear your thoughts on this one.