fix: show multisource details for an appset when using `argocd appset get` command

[nitishfy]

Closes #20902 Checklist:

• [x] Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• [x] The title of the PR states what changed and the related issues number (used for the release note).
• [x] The title of the PR conforms to the Toolchain Guide
• [x] I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• [x] I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• [ ] Does this PR require documentation updates?
• [ ] I've updated documentation as required by this PR.
• [ ] I have signed off all my commits as required by DCO
• [x] I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• [ ] My build is green (troubleshooting builds).
• [ ] My new feature complies with the feature status guidelines.
• [ ] I have added a brief description of why this PR is necessary and/or what this PR solves.
• [ ] Optional. My organization is added to USERS.md.
• [ ] Optional. For bug fixes, I've indicated what older releases this fix should be cherry-picked into (this may or may not happen depending on risk/complexity).

Before:

> argocd appset get color-applicationset-multi-source
Name:               argocd/color-applicationset-multi-source
Project:            default
Server:             https://kubernetes.default.svc
Namespace:          {{namespace}}
Sources:
- Repo:             https://github.com/argoproj/argocd-example-apps.git
  Target:           HEAD
  Path:             apps
SyncPolicy:         <none>

CONDITION            STATUS  MESSAGE                                                 LAST TRANSITION
ErrorOccurred        False   Successfully generated parameters for all Applications  2024-11-21 18:54:36 +0530 IST
ParametersGenerated  True    Successfully generated parameters for all Applications  2024-11-21 18:47:40 +0530 IST
ResourcesUpToDate    True    ApplicationSet up to date                               2024-11-21 18:54:36 +0530 IST

After:

> argocd appset get color-applicationset-multi-source
Name:               argocd/color-applicationset-multi-source
Project:            default
Server:             https://kubernetes.default.svc
Namespace:          {{namespace}}
Sources:
- Repo:             https://github.com/argoproj/argocd-example-apps.git
  Target:           HEAD
  Path:             apps
- Repo:             https://github.com/argoproj/argocd-example-apps.git
  Target:           HEAD
  Path:             guestbook
SyncPolicy:         <none>

CONDITION            STATUS  MESSAGE                                                 LAST TRANSITION
ErrorOccurred        False   Successfully generated parameters for all Applications  2024-11-21 18:54:36 +0530 IST
ParametersGenerated  True    Successfully generated parameters for all Applications  2024-11-21 18:47:40 +0530 IST
ResourcesUpToDate    True    ApplicationSet up to date                               2024-11-21 18:54:36 +0530 IST

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 55.02%. Comparing base (9f1431e) to head (11a568a). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #20903 +/- ## ======================================= Coverage 55.02% 55.02% ======================================= Files 324 324 Lines 55417 55421 +4 ======================================= + Hits 30493 30497 +4 - Misses 22308 22312 +4 + Partials 2616 2612 -4 ```

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