[Feature request] Attribute search should be case-insensitive

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**Describe the bug**
Attribute search should is case-insensitive.

**To Reproduce**
Steps to reproduce the behavior:
1. Type in a search term in the top search bar.
2. The search results only show if there is an exact case-sensitive match.

**Expected behavior**
Search is intuitively expected to be case-insensitive.
There can be a checkbox or some other UI element to switch to a case-sensitive search if needed.