Add import admin link extensions to CLI and migration on deployment

[alfonso-noriega]

NOTE: Do not merge until BE work lands

WHY are these changes introduced?

With the removal of the Partners Dashboard it is needed to migrate all dashboard managed extensions to be CLI managed. This PR adds support to import existing admin links (app_link and `bulk_action) and the call to the appModules migration endpoint on their deployment to update them to a CLI managed specification.

How to test your changes?

• create a new app or reuse an existing one
• create a new app link extension on partners for the app
• in the CLI repository checkout this branch and run pnpm shopify app import-extensions --path path/to/your/app
• select admin links and check that in the extensions folder of your app there is a new extension with the toml file matching this structure and fields:

[[extensions]]
type = "admin_link"
name = "bulk action name 1"
handle = "bulk-action-name-1"

  [[extensions.targeting]]
  text = "bulk action label"
  url = "http://example.org"
  target = "admin.order.selection.action"

Checklist

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

[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	71.88% (+0.1% 🔼)	8483/11802
🟡	Branches	68.32% (+0.1% 🔼)	4119/6029
🟡	Functions	71.44% (+0.13% 🔼)	2224/3113
🟡	Lines	72.34% (+0.1% 🔼)	8022/11090

Show new covered files 🐣

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / extension-to-toml.ts	77.78%	75%	100%	100%
🟢	... / utils.ts	84.21%	66.67%	100%	83.33%

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟡	... / identifiers-extensions.ts	76.61% (-2.87% 🔻)	68.66% (-2.77% 🔻)	100%	78.38% (-2.57% 🔻)
🟡	... / app-event-watcher.ts	69.7% (-0.45% 🔻)	45.83%	73.68% (-1.32% 🔻)	75.86% (-0.41% 🔻)
🔴	... / dev-session.ts	4.17% (-0.33% 🔻)	0%	6.67% (+1.4% 🔼)	4.62% (-0.51% 🔻)

Test suite run success

1921 tests passing in 874 suites.

Report generated by 🧪jest coverage report action from aa75f67

[isaacroldan]

Only for shopifolk? is that intended?

[isaacroldan]

I noticed that all get**ExtensionsToMigrate functions do mostly the same, do you want to unify that in a generic function? :)
We can leave it for a future PR if not