fix: upgrade TypeScript to 5.7 with Jest ESM mocks

[remo-lab]

Closes #724

Summary

This PR upgrades TypeScript to 5.7 across the monorepo and fixes Jest failures caused by ESM-only dependencies when running under ts-jest.

Changes include:

• Upgraded TypeScript from ~5.5.4 to ~5.7.0 (root, phoenix-event-display, phoenix-ng)
• Upgraded ts-jest to ^29.3.4 in phoenix-event-display
• Added moduleNameMapper mocks for ESM-only dependencies that break Jest’s CommonJS pipeline on TS 5.6+

All 345 tests pass (28 + 56 suites, 170 + 175 tests) with yarn test:ci.

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What was happening

With TypeScript 5.6+, Jest started failing due to .mjs files from ESM-only packages such as:

• three/examples/jsm
• jsroot
• @angular/core

In my previous attempt (#768), I tried adjusting transformIgnorePatterns and consolidating TypeScript versions. That approach failed because:

• <rootDir>/node_modules/... did not match hoisted workspace dependencies
• As a result, all node_modules were being transformed by ts-jest
• This happened to work on TS 5.5 but masked the real issue
• After upgrading TS, ts-jest could no longer handle .mjs ESM modules correctly

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Fix

Instead of trying to force ts-jest to transform ESM modules, this PR mocks them using moduleNameMapper.

Added mocks for:

• three/examples/jsm/*
  WebGL-dependent modules not usable in jsdom anyway.

• jsroot
  ESM-only modules imported transitively but not directly used in tests.

• @angular/core
  Only EventEmitter is used; replaced with a lightweight publish/subscribe mock.

This avoids ESM parsing entirely and makes the test setup independent of TypeScript/Jest internals.

---

Test Plan

• yarn test:ci passes (all 345 tests)
• CI build-and-test workflow passes
• Manually verified no runtime regressions in the Angular app

[remo-lab]

@EdwardMoyse , this time i have fixed all the ci failures.
The last empty commit was just to retrigger the CI — the previous run failed because of a GitHub API hiccup (invalid json response body), not any code issue. Everything was passing already, just needed a fresh run.All green now. would appreciate a review whenever you have time!

[remo-lab]

@EdwardMoyse shall i update anything on this pr?

[EdwardMoyse]

Apologies for not being responsive but I'm on a family holiday this week. I'll try to do a review when im home on Sunday.

[remo-lab]

No worries at all , thanks for letting me know. Hope you're having a great holiday!