[FIX] stock: return's return ok package location

If we create a package X transfering from location A to location B:

- we create a stock.quant for package X in location B

=> The package is on location "B" (OK)

If then we do a transfer of that package from location B to location A:

- we set the location B / package X quant to 0 size
- we create a stock.quant for package X in location A

=> The package is on location "A" (OK)

If then we do a transfer of that package from location A to location B:

- we set the location A / package X quant to 0 size
- we set the location B / package X quant to package size

=> The package still is on location "A" (wrong)

This is because:

- since c0d7a05730 stock.quant.package field `quant_ids` is a view over
  related stock.quant but filtered on domain:
     ['|', ('quantity', '!=', 0), ('reserved_quantity', '!=', 0)]

- stock.quant.package fields `location_id`, `company_id`, `owner_id` are
  updated when a related stock.quant has fields `package_id`,
  `location_id`, `company_id`, `owner_id` modified

Thus when the `quant_ids` change by changing quantities, `location_id`
are not updated even if it should be.

opw-1963509
closes #32466

Signed-off-by: Arnold Moyaux <amoyaux@users.noreply.github.com>

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