Unexpected behavior of paste when it has auto suggestion suffix

[jeffreytse]

Reproduce

• Open a new terminal.
• Input below content .

abcde
12345

• Press <Enter> to execute it.
• Re-input content abc (here we will get the auto suggestion suffix that first time we input).
• Enter normal mode and move backward the cursor to a.
• Press cw (or yw, de, yk, etc).
• Press p

Result

The content becomes:

abcde

Expected behavior

The paste content should be abc, not including the auto suggestion partial, which is as below:

abc