feat: Program Screen Error Handling

[shafqat-muneer]

LEARNER-9992: feat: Program Screen Error Handling

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[shafqat-muneer]

@saeedbashir Feedback addressed. Ready for another round of review 🎉

[rnr]

@moiz994 do we need this yellow line on Programs and Discover screens?

[rnr]

@shafqat-muneer When the connection is restored and we get the data on the Program screen (for example) and then go to the Discover screen, there we see a different error ("something went wrong" instead of "no connection"). Is this expected?

https://github.com/openedx/openedx-app-ios/assets/37253/d848e18a-5103-4af2-8c64-7724f40c9d65

[shafqat-muneer]

@moiz994 do we need this yellow line on Programs and Discover screens?

It appears to be redundant after implementation of full screen error. Just removed it from Programs and Discovery screens.

[shafqat-muneer]

@shafqat-muneer When the connection is restored and we get the data on the Program screen (for example) and then go to the Discover screen, there we see a different error ("something went wrong" instead of "no connection"). Is this expected?

RPReplay_Final1717765154.MOV

@rnr It's fixed.

[shafqat-muneer]

@rnr @saeedbashir PR is prepared for another round of review. 🎉

[shafqat-muneer]

@volodymyr-chekyrta This change is awaiting your review before it can be merged. Thanks

[shafqat-muneer]

@volodymyr-chekyrta Incorporated the suggestions. Ready for another review. 🎉