[$1000] Add animation when the emoji picker is closed

[mountiny]

Problem

On mobile, the emoji picker popover is not being closed with animation compared to other popovers.

This is border line bug and new improvement, it feel like inconcsistency bug

Why is it important

This is not consistent UI

Solution

Lets add an animation to this popover when its being closed

Comign from https://expensify.slack.com/archives/C01GTK53T8Q/p1682013158901689

Upwork Automation - Do Not Edit

• Upwork Job URL: https://www.upwork.com/jobs/~010b1720ceac20d4b1
• Upwork Job ID: 1651348863138013184
• Last Price Increase: 2023-05-17

[MelvinBot]

Triggered auto assignment to @alexpensify (Bug), see https://stackoverflow.com/c/expensify/questions/14418 for more details.

[MelvinBot]

Bug0 Triage Checklist (Main S/O)

• This "bug" occurs on a supported platform (ensure Platforms in OP are ✅)
• This bug is not a duplicate report (check E/App issues and #expensify-bugs)
  • If it is, comment with a link to the original report, close the issue and add any novel details to the original issue instead
• This bug is reproducible using the reproduction steps in the OP. S/O
  • If the reproduction steps are clear and you're unable to reproduce the bug, check with the reporter and QA first, then close the issue.
  • If the reproduction steps aren't clear and you determine the correct steps, please update the OP.
• This issue is filled out as thoroughly and clearly as possible
  • Pay special attention to the title, results, platforms where the bug occurs, and if the bug happens on staging/production.
• I have reviewed and subscribed to the linked Slack conversation to ensure Slack/Github stay in sync

[mountiny]

@esh-g you have raised it

[MelvinBot]

Job added to Upwork: https://www.upwork.com/jobs/~010b1720ceac20d4b1

[MelvinBot]

Current assignee @alexpensify is eligible for the External assigner, not assigning anyone new.

[MelvinBot]

Triggered auto assignment to Contributor-plus team member for initial proposal review - @aimane-chnaif (External)

[MelvinBot]

Triggered auto assignment to @arosiclair (External), see https://stackoverflow.com/c/expensify/questions/7972 for more details.