fix(MessageButtonsBar): revert to main selector

[DorraJaouad]

☑️ Resolves

• Fix z-index: Date item above reaction emoji picker #11932

🖌️ UI Checklist

🖼️ Screenshots / Screencasts

🏚️ Before	🏡 After

🏁 Checklist

• 🌏 Tested with Chrome, Firefox and Safari or should not be risky to browser differences
• 🖥️ Tested with Desktop client or should not be risky for it
• 🖌️ Design was reviewed, approved or inspired by the design team
• ⛑️ Tests are included or not possible
• 📗 User documentation in https://github.com/nextcloud/documentation/tree/master/user_manual/talk has been updated or is not required

[nickvergessen]

Could we add a test or test list or something, so that for future changes changing this again we know what to test to avoid a regression?

[DorraJaouad]

Could we add a test or test list or something, so that for future changes changing this again we know what to test to avoid a regression?

I am not sure if it is testable with unit test, it's fine sometimes to have elements rendered after popover/modal and sometimes not.
@Antreesy wdy ?

[Antreesy]

We could add some integration or e2e tests, where:

• complete App / ChatView / MessagesList is rendered inside of parent (as in production);
• the list (or rule) is defined for NcModals which should be always appended to the body (not inside the other component or modal), and checking it during test
• ...
• rest in the issue