Button block - Cursor position moves to end of input when typing in the middle in link fields

[malalacharm]

Describe the bug
Typing in the middle of a text field in the inspector moves the cursor to the end. Happens in Button block > Link > Link rel and Link Title attributes

To Reproduce
Steps to reproduce the behavior:

1. Add a button block
2. Go to Link > Link rel
3. Type "sponsor"
4. Move the cursor in the middle of the word, type a character
5. See that the cursor jumps to the end of the string

Expected behavior
The cursor remains in the position after typing the character

Screenshot

Button.block.issue.mp4