Feat/red boundry for empty fields in create reply modal

[priyanshuharshbodhi1]

Issue(s)

Closes #51

Acceptance Criteria fulfillment

• Shows error message(below the field) for the corresponding empty field(s) in create modal when user clicks Create Button.

Proposed changes (including videos or screenshots)

Screencast.from.2025-05-02.14-32-01.webm

Further comments

[CLAassistant]

All committers have signed the CLA.

[priyanshuharshbodhi1]

@VipinDevelops ,
There is no feature in rocket chat uikit to show red boundries to empty fields so I did this as a workaround. Please check into it.

[priyanshuharshbodhi1]

Should I implement similarly for other modals? like edit modal...