feat: Add Delivery Address field to Purchase Orders

[Reza98Sh]

This pull request implements the feature requested in #9303 by adding a dedicated delivery_address field to Purchase Orders.

Changes Implemented

Backend:

• Created a new database migration (0110_purchaseorder_delivery_address.py) to apply the schema change.
• Added a delivery_address ForeignKey field to the PurchaseOrder model, linking to company.Address.
• Exposed the delivery_address field in the PurchaseOrderSerializer to make it available via the API.
• Included delivery_address in the autocomplete_fields in PurchaseOrderAdmin for a better user experience in the admin panel.

Frontend:

• Added the delivery_address field to the usePurchaseOrderFields hook, making it visible and editable in the Purchase Order forms.

Closes #9303

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[Reza98Sh]

If this method is not considered best practice, please let me know.
I am doing my best to improve it.

[matmair]

@Reza98Sh there is a conflict in the migrations; please delete the ones you added and regenerate them

[matmair]

Looks very good for a first PR

[SchrodingersGat]

An implementation question: where / how do the users define an address for "themself" which can be used here?

One approach might be to create a "company" object which is the "internal" company, which can then have one or more addresses associated with it?

Any other ideas?

[Reza98Sh]

An implementation question: where / how do the users define an address for "themself" which can be used here?

One approach might be to create a "company" object which is the "internal" company, which can then have one or more addresses associated with it?

Any other ideas?

Sorry I haven't any serious experience with InvenTree but I think It's good if there is option to create address without define company

[SchrodingersGat]

@matmair thoughts on this? Does a set of "internal addresses" for "me" (which are not linked to a company object) make the most sense?

[matmair]

There is no real inherent connection between Addresses and Companies but the way the current data model works there are a few functions that would need rethinking.

Mainly:

• shipping notes
• primary addresses

Having (1 or more) internal companies as references would be nice for a few of the open EPICs.
My suggestion for now: creating a special "locked/protected" company that represents the org that owns the InvenTree instance and link the addresses there.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.34%. Comparing base (b465900) to head (3980b67).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9768   +/-   ##
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  Coverage   86.34%   86.34%           
=======================================
  Files        1234     1235    +1     
  Lines       54239    54245    +6     
  Branches     2236     2236           
=======================================
+ Hits        46830    46839    +9     
+ Misses       6841     6838    -3     
  Partials      568      568           

Flag	Coverage Δ
backend	88.26% <100.00%> (+<0.01%)	⬆️

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[github-actions]

This PR seems stale. Please react to show this is still important.

[matmair]

Still relevant

[SchrodingersGat]

@Reza98Sh I'm moving this to the 1.2.0 release target - there are still some questions to address here, I will get back to review this soon