This is identical to MC-68497, it says it's fixed, but it isn't
Reproduce:
1. Copy something
2. Paste it.
3. Without having selected any text, try and copy something
4. Paste
->❌ Nothing is pasted (it copied an empty field of text)
Linked issues
Comments
Can confirm in 1.16.5.
Can confirm in 21w11a.
Can confirm in 21w07a.