Add wasm asset support for theme app extensions

[itsjustriley]

WHY are these changes introduced?

Resolves #3893

WHAT is this pull request doing?

Adds .wasm asset support to theme app extensions. Another PR has already been shipped to enable this upstream

How to test your changes?

• Create a new app with a theme app extension
• Add a .wasm file in the assets folder
• Run the app dev command
• Notice the theme app extension is pushed as expected

Post-release steps

None

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]

Thanks for your contribution!

Depending on what you are working on, you may want to request a review from a Shopify team:

• Themes: @shopify/advanced-edits
• UI extensions: @shopify/ui-extensions-cli
  • Checkout UI extensions: @shopify/checkout-ui-extensions-api-stewardship
• Hydrogen: @shopify/hydrogen
• Other: @shopify/app-management

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	72.48% (+0.12% 🔼)	7815/10782
🟡	Branches	69.44% (+0.07% 🔼)	3849/5543
🟡	Functions	71.3% (+0.03% 🔼)	2059/2888
🟡	Lines	72.78% (+0.13% 🔼)	7379/10139

Test suite run success

1788 tests passing in 813 suites.

Report generated by 🧪jest coverage report action from 2387329

[karreiro]

Thank you, @itsjustriley!

[thosakwe]

Thank you so much for implementing WASM support.