feat: Photo gallery: if a photo is missing → take it directly

[g123k]

Hi everyone,

In the photo gallery, clicking on a photo in the grid (whether it's available or not) always opens the details screen.

The behavior is changed to:

• If an image is available → the details screen will be opened
• If there's no image → we can take it directly

📹 Video: https://github.com/user-attachments/assets/15aa3602-3ba6-49c0-9e7f-ef82c5e6eb39

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 111 lines in your changes missing coverage. Please review.

Project coverage is 6.73%. Comparing base (4d9c7fc) to head (eca9bed). Report is 486 commits behind head on develop.

Files with missing lines	Patch %	Lines
...oduct/gallery_view/product_image_gallery_view.dart	0.00%	79 Missing :warning:
.../gallery_view/product_image_gallery_photo_row.dart	0.00%	30 Missing :warning:
.../lib/cards/product_cards/smooth_product_image.dart	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #5885 +/- ## ========================================== - Coverage 9.54% 6.73% -2.82% ========================================== Files 325 433 +108 Lines 16411 24014 +7603 ========================================== + Hits 1567 1617 +50 - Misses 14844 22397 +7553 ```

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