Defer injected hot reload script

[frandiox]

WHY are these changes introduced?

Forgot to add defer in #4908

WHAT is this pull request doing?

How to test your changes?

Post-release steps

Measuring impact

How do we know this change was effective? Please choose one:

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix
• Existing analytics will cater for this addition
• PR includes analytics changes to measure impact

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	76.58% (+0.01% 🔼)	9366/12230
🟡	Branches	71.82% (+0.02% 🔼)	4593/6395
🟡	Functions	76.25%	2431/3188
🟡	Lines	77.13% (+0.02% 🔼)	8854/11479

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / app-event-watcher.ts	96.39% (-1.2% 🔻)	88.57% (-2.86% 🔻)	95.45%	100%

Test suite run success

2140 tests passing in 938 suites.

Report generated by 🧪jest coverage report action from 27f6c13

[isaacroldan]

Why does this one require inner loop approval? it only modifies theme 🤔