feat: Edit product page UI improvements

[g123k]

• On scroll, the barcode will be visible in the AppBar
• The copy barcode is now in the AppBar
• The photo icon is filled, like the other icons
• The title on each item is in bold
• Ripples on each card is now OK
• Scrollbar for the list

https://user-images.githubusercontent.com/246838/183444328-c5bd611b-713b-470c-bdbd-d171caae0f11.mp4

[codecov-commenter]

Codecov Report

Merging #2754 (46a03d3) into develop (2ea0da3) will decrease coverage by 1.72%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           develop   #2754      +/-   ##
==========================================
- Coverage     8.86%   7.13%   -1.73%     
==========================================
  Files          161     218      +57     
  Lines         6623   10604    +3981     
==========================================
+ Hits           587     757     +170     
- Misses        6036    9847    +3811     

Impacted Files	Coverage Δ
...kages/smooth_app/lib/widgets/attribute_button.dart	0.00% <0.00%> (-92.00%)	:arrow_down:
...s/smooth_app/lib/data_models/user_preferences.dart	8.73% <0.00%> (-23.57%)	:arrow_down:
packages/smooth_app/lib/themes/smooth_theme.dart	62.26% <0.00%> (-20.72%)	:arrow_down:
...p/lib/generic_lib/dialogs/smooth_alert_dialog.dart	15.11% <0.00%> (-19.10%)	:arrow_down:
...mooth_app/lib/data_models/product_preferences.dart	21.68% <0.00%> (-9.75%)	:arrow_down:
packages/smooth_app/lib/main.dart	14.65% <0.00%> (-3.24%)	:arrow_down:
.../smooth_app/lib/pages/onboarding/welcome_page.dart	0.00% <0.00%> (-3.13%)	:arrow_down:
.../smooth_app/lib/pages/onboarding/scan_example.dart	0.00% <0.00%> (-2.28%)	:arrow_down:
...ackages/smooth_app/lib/pages/scan/scan_header.dart	2.50% <0.00%> (-2.27%)	:arrow_down:
...p/lib/pages/onboarding/consent_analytics_page.dart	0.00% <0.00%> (-1.57%)	:arrow_down:
... and 237 more

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[teolemon]

@g123k needs rebase before merging

[g123k]

Should be OK now 👌