Bug fixes : Handle long list of service connections and Github file checkin failure in pipeline create command

[atbagga]

Bug Fixes in az pipeline create command:

1. Handle long list of service connections in pipeline create (filter the list to only connections create by the user or App connections
2. Handle github file checkin failures by raising appropriate error

[gauravsaralMs]

The user will end up seeing a different service endpoint list in CLI and in UI..

If we doing this just to get around friendly_prompt_list issue
then I will suggest the following

1. Do a proper fix in friendly_prompt_lis
2. Build some kind of loop in friendly_prompt_lis
   like end option can be (see more options) basically pagination kind of thing

[gauravsaralMs]

get_service_endpoints in the client takes scheme as a param for filtering... can we use that one?

[atbagga]

I think I cannot use that filter here..

Reason: I need all service connections created by me or the ones with auth scheme = installationtoken.
I will still need to pass all auth schemes to get_service_endpoints since I need my service endpoints which may or may not be InstallationToken scheme.

Good catch on the functionality being available though. I had missed that.

[atbagga]

The user will end up seeing a different service endpoint list in CLI and in UI..

If we doing this just to get around friendly_prompt_list issue
then I will suggest the following

1. Do a proper fix in friendly_prompt_lis
2. Build some kind of loop in friendly_prompt_lis
   like end option can be (see more options) basically pagination kind of thing

We will have to fix the list and I will do that. Here the intention is to actually reduce the options also since we do not want the user to have 400 options to choose from.
These are the service endpoints which will be most likely used.

I have raised an issue to fix the list. #571