Moving cursor in label editor skips over all unicode symbols at once

[Semnodime]

Describe the bug

The unicode string -❤️🛢️⚽📕🖍️🩸🧯🔴🟧🟨🟩🟦🟪🟫⬛⬜- is displayed as

When navigating through the string from left to right, the cursor traverses all unicode symbols at once, instead of stepping over the unicode symbols one by one as if it does with ascii symbols.

To Reproduce
Steps to reproduce the behavior:

1. Go to Listing view
2. Edit a label
3. Enter the string
4. Navigate through the string via arrow keys on the keyboard
5. See error

Expected behavior
Cursor stops inbetween all unicode symbols

• Ghidra Version: 21.0.4
• Ghidra Origin: official GitHub distro