[ON HOLD][Shopify] Add Location Loop to Sync Inventory

[tinestaric]

Adds a location loop to sync inventory flow and adds a request page to Sync Inventory actions on Shop and Products pages to allow sync of inventory only for a subset of locations for a shop.

[github-actions]

Could not find linked issues in the pull request description. Please make sure the pull request description contains a line that contains 'Fixes #' followed by the issue number being fixed. Use that pattern for every issue you want to link.

[JesperSchulz]

@tinestaric, thank you for the creation of your pull request!

Would you have an approved issue you can link to this PR? Once linked, we'll get started reviewing your code 🙂

Please follow the process outlined here: https://github.com/microsoft/ALAppExtensions/blob/main/CONTRIBUTING.md

[tinestaric]

@JesperSchulz I do not, this is part of the delivery for development agreed directly with @AndreiPanko

[JesperSchulz]

this is part of the delivery for development agreed directly with @A

OK! Thank you. I'll talk to @AndreiPanko about the correct linking then 🙂 Thanks for getting back to me so quickly!