Shipping improvements - Phase 3

[eason9487]

Changes proposed in this Pull Request:

This PR gathers all changes from the following feature PRs for final testing and to be merged together into develop.

• Move tax rate setup to the Settings page #2749
• Move the Edit free listings page to a dedicated page and rename page to Shipping #2751
• Clean up the leftover parameters used to support WooCommerce Navigation #2753
• Pop up confirmation prompt on the Shipping page before saving changes #2756

📌 Checklist before merging (@eason9487)

• Update tracking doc

[codecov]

Codecov Report

Attention: Patch coverage is 19.51220% with 33 lines in your changes missing coverage. Please review.

Project coverage is 67.0%. Comparing base (9e7cc02) to head (6a2b8e4).
Report is 3 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/Menu/Shipping.php	0.0%	14 Missing ⚠️
src/Menu/AttributeMapping.php	0.0%	4 Missing ⚠️
src/Menu/ProductFeed.php	0.0%	4 Missing ⚠️
src/Menu/Reports.php	0.0%	4 Missing ⚠️
src/Menu/Settings.php	0.0%	4 Missing ⚠️
js/src/index.js	50.0%	1 Missing ⚠️
...d/edit-program-button/edit-program-prompt-modal.js	0.0%	1 Missing ⚠️
...ernal/DependencyManagement/CoreServiceProvider.php	0.0%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             develop   #2757     +/-   ##
===========================================
- Coverage       67.0%   67.0%   -0.1%     
- Complexity      4690    4691      +1     
===========================================
  Files            479     796    +317     
  Lines          19601   24522   +4921     
  Branches           0    1204   +1204     
===========================================
+ Hits           13141   16423   +3282     
- Misses          6460    7962   +1502     
- Partials           0     137    +137     

Flag	Coverage Δ
js-unit-tests	66.7% <80.0%> (?)
php-unit-tests	67.0% <0.0%> (+<0.1%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...listings/configure-product-listings/checkErrors.js	100.0% <100.0%> (ø)
js/src/components/main-tab-nav/main-tab-nav.js	90.0% <ø> (ø)
...c/pages/dashboard/all-programs-table-card/index.js	97.3% <100.0%> (ø)
js/src/pages/dashboard/index.js	83.3% <ø> (ø)
...s/src/pages/onboarding/setup-stepper/hero/index.js	100.0% <100.0%> (ø)
...es/onboarding/setup-stepper/saved-setup-stepper.js	87.2% <ø> (ø)
...c/pages/onboarding/setup-stepper/setup-listings.js	100.0% <100.0%> (ø)
js/src/pages/shipping/hasUnsavedShippingRates.js	100.0% <ø> (ø)
js/src/utils/urls.js	55.3% <100.0%> (ø)
js/src/index.js	75.7% <50.0%> (ø)
... and 7 more

... and 305 files with indirect coverage changes