fix: Cursor can't move up/down after a smile.

[IITI-tushar]

Proposed changes (including videos or screenshots)

Cursor can't be moved up and down right after a smile (:) for example).
While you can do it from inside a smile (between : and )).
With this pr ,this issue has now been fixed. As shown in the attached video, the cursor can seamlessly move up and down after a smile.

Issue(s)

#33353

Steps to test or reproduce

Further comments

2024-12-16.14-57-11.mp4

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[fzh075]

I think this bug is because of a bug of the trigger mode of the emoji popup.

The triggerLength of emoji is set to 2. I guess it means the emoji popup should show up when the cursor in the 2nd place after ":".

The emoji popup did show up when the cursor in the 2nd place after ":". The "shouldPopupPreview" works well, but "popup" didn't. The "popup" has a value when the cursor in the 1st place (and other situation), then it takes up the up and down keys. That's why the "cursor can't move up/down after a smile". Change the "popup"'s trigger mode the same as "shouldPopupPreview"'s can fix this bug.( I don't know if such modification will cause some other errors, such as errors related to @ or # ?. What's the use of "shouldPopupPreview"? Maybe we can change the "popup"'s trigger mode the same as "shouldPopupPreview"'s , and then just delete "shouldPopupPreview".)

I'm not good at English, welcome to point out my mistakes.

[fzh075]

Hello Tushar, I tried your commits, it didn't work. Did you submit the right changes? or something wrong with me?