Patch the app manifest with the development URLs, add tests

[isaacroldan]

WHY are these changes introduced?

Enables the CLI to patch app manifests with development URLs during local development, ensuring that app home, app proxy, and app access configurations use the correct development URLs instead of production URLs.

WHAT is this pull request doing?

• Adds support for patching app manifests with development URLs during local development
• Introduces new test data helpers for app home and app proxy extensions
• Updates the app model to store and use development URLs when generating manifests

How to test your changes?

1. Create an app with app home, app proxy, and app access extensions
2. Run the dev command
3. Verify that the manifest (inside ./shopify/bundle) includes the correct development URLs.

Measuring impact

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes

[isaacroldan]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• Update prompt message and tests #5255
• Stop updating the app urls in the app toml when using the app management API #5246
• Patch the app manifest with the development URLs, add tests #5245 👈 (View in Graphite)
• Rename PartnersURLs to ApplicationURLs #5244
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[github-actions]

We detected some changes at packages/*/src and there are no updates in the .changeset.
If the changes are user-facing, run "pnpm changeset add" to track your changes and include them in the next release CHANGELOG.

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	75.43% (+0.1% 🔼)	8936/11847
🟡	Branches	70.62% (+0.05% 🔼)	4338/6143
🟡	Functions	75.21% (+0.11% 🔼)	2348/3122
🟡	Lines	75.95% (+0.09% 🔼)	8441/11114

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / app.ts	88.02% (+1.54% 🔼)	70.33% (-0.04% 🔻)	92.73% (+0.57% 🔼)	89.44% (+1.25% 🔼)
🔴	... / dev.ts	19.53% (-0.15% 🔻)	15.38%	24.39%	20.17% (-0.34% 🔻)
🔴	... / extension.ts	56.9% (-0.25% 🔻)	57.14% (-0.55% 🔻)	50%	57.89% (-0.29% 🔻)

Test suite run success

2008 tests passing in 906 suites.

Report generated by 🧪jest coverage report action from 3eae494