Fix! Enhancements in Deletion Functionality

[jandsonrj]

1. Users with common privileges can now only delete their own records, while administrators retain the ability to delete any record. The DeleteIcon is intelligently disabled for products owned by other users, while it remains active for administrators.

2. Was added an informative hover message to the DeleteIcon. Now, when you hover your mouse over the icon, you'll receive context-aware feedback:

• If you're the owner of the record, you'll receive a positive message.
• If the record doesn't belong to you, you'll receive a negative message.

Here is a short video demonstrating the features of this update.

[codecov]

Codecov Report

Merging #201 (7cc707c) into main (990080a) will increase coverage by 0.26%.
The diff coverage is 100.00%.

❗ Current head 7cc707c differs from pull request most recent head 4b49abb. Consider uploading reports for the commit 4b49abb to get more accurate results

@@            Coverage Diff             @@
##             main     #201      +/-   ##
==========================================
+ Coverage   72.50%   72.77%   +0.26%     
==========================================
  Files          24       24              
  Lines         811      819       +8     
==========================================
+ Hits          588      596       +8     
  Misses        223      223              

Files	Coverage Δ
backend/core/models/product.py	100.00% <100.00%> (ø)
backend/core/serializers/product.py	100.00% <100.00%> (ø)
backend/core/views/product.py	47.29% <100.00%> (ø)

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[gschwend]

Tested locally with both admin and regular users.