add: feature flag for customize your store task

[rjchow]

Submission Review Guidelines:

• I have followed the WooCommerce Contributing Guidelines and the WordPress Coding Standards.
• I have checked to ensure there aren't other open Pull Requests for the same update/change.
• I have reviewed my code for security best practices.
• Following the above guidelines will result in quick merges and clear and detailed feedback when appropriate.

Changes proposed in this Pull Request:

• Added feature flag that removes store appearance task and adds customize store task when enabled
• Added task list item header for customize your store task
• Made core profiler feature flagged task removal order invariant, previously it depended on the StoreDetails task being the first in the list

How to test the changes in this Pull Request:

Note that the feature flag is disabled even in development.json because it's not ready for other dev teams to look at

1. Set up WooCommerce, toggle feature flag for 'customize-store' to true
2. Should see the task list as below

Changelog entry

• Automatically create a changelog entry from the details below.

Significance

• Patch
• Minor
• Major

Type

• Fix - Fixes an existing bug
• Add - Adds functionality
• Update - Update existing functionality
• Dev - Development related task
• Tweak - A minor adjustment to the codebase
• Performance - Address performance issues
• Enhancement - Improvement to existing functionality

Message

Comment

[github-actions]

Test Results Summary

Commit SHA: 403c1ae

Test 🧪	Passed ✅	Failed 🚨	Broken 🚧	Skipped ⏭️	Unknown ❔	Total 📊	Duration ⏱️
API Tests	259	0	0	2	0	261	1m 3s
E2E Tests	189	0	0	19	0	208	14m 44s

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To view the full API test report, click here.
To view the full E2E test report, click here.
To view all test reports, visit the WooCommerce Test Reports Dashboard.

[github-actions]

Hi @ilyasfoo, @adrianduffell, @woocommerce/ghidorah

Apart from reviewing the code changes, please make sure to review the testing instructions as well.

You can follow this guide to find out what good testing instructions should look like:
https://github.com/woocommerce/woocommerce/wiki/Writing-high-quality-testing-instructions

[ilyasfoo]

Looking good, thanks for the legwork @rjchow! One minor comment about the PHP script still being imported.

[ilyasfoo]

Nitpick comment about optionally removing CustomizeStore from the defunct list. LGTM anyways! 🚢

[chihsuan]

Great work! LGTM and tested well. 🚀