fix: #3238 - removed "other" pictures in gallery (keep just the main 4)

[monsieurtanuki]

Impacted files:

• product_cards_helper.dart: added an optional parameter in order to ignore "other" pictures
• product_image_gallery_view.dart: removed the "other" pictures

What

• There was an endless refresh of this page, due to "other" pictures being loaded on the side.
• Actually those "other" pictures are not very relevant in the app, because they have limited features.
• I suggested to ignore the "other" pictures: that simplifies the code, the UX/UI, and fixes the bug.
• No problem to put the "other" pictures back later, probably in another page, definitely in another issue/PR

Screenshot

Fixes bug(s)

• Fixes: Endless rebuild in product_image_gallery_view.dart #3238

[codecov-commenter]

Codecov Report

Merging #3241 (2d6d82a) into develop (14cfed4) will increase coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           develop   #3241      +/-   ##
==========================================
+ Coverage     7.66%   7.71%   +0.04%     
==========================================
  Files          249     248       -1     
  Lines        12286   12211      -75     
==========================================
  Hits           942     942              
+ Misses       11344   11269      -75     

Impacted Files	Coverage Δ
...s/smooth_app/lib/helpers/product_cards_helper.dart	0.00% <0.00%> (ø)
.../lib/pages/product/product_image_gallery_view.dart	0.00% <0.00%> (ø)
..._lib/widgets/images/smooth_images_sliver_grid.dart

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[teolemon]

The image manager should definitely be back at some point, possibly elsewhere.
The list of other images is useful for:

• moderation (spot bad images)
• selecting images from server as front/ingredient/nutrition/packaging

[AshAman999]

Looks good 👍

[monsieurtanuki]

Thank you @AshAman999 for your review!
I've created #3245 about the "other" images that I need to dismiss here temporarily because they don't really belong in this page (not the same purpose) and because it's an additional exotic problem to solve regarding the background task/refresh/upload.