Only build flow template extensions during deploy

[isaacroldan]

WHY are these changes introduced?

• Flow templates introduced a new build step to include localization files in the bundled zip file.
• This build step is only meant for deploy and it currently fails during dev

WHAT is this pull request doing?

• Don't build flow template extensions if env is development
• Even if we build, check that we are not building in the wrong path.

How to test your changes?

• Create a flow template extension
• Try to dev, it should work (crashes on main)

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
• I've made sure that any changes to dev or deploy have been reflected in the internal flowchart.

[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]

We detected some changes at either packages/*/src or packages/cli-kit/assets/cli-ruby/** 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	71.89% (-0.02% 🔻)	6965/9689
🟡	Branches	68.7% (-0.06% 🔻)	3429/4991
🟡	Functions	71.3%	1861/2610
🟡	Lines	73.2% (-0.01% 🔻)	6564/8967

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / extension-instance.ts	84.8%	77.32% (-0.58% 🔻)	90.48%	86.21%
🟡	... / bundle.ts	75.81% (-1.24% 🔻)	64.52% (-4.45% 🔻)	66.67%	76.67%
🟢	... / ConcurrentOutput.tsx	97.62% (-2.38% 🔻)	75% (-8.33% 🔻)	100%	97.44% (-2.56% 🔻)

Test suite run success

1641 tests passing in 763 suites.

Report generated by 🧪jest coverage report action from 4299ad2