[Freeradius] when creating user, password contain comma (,) will trigger Text does not validate error. @ is not allowed too.

[coddec]

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Describe the bug
A clear and concise description of what the bug is, including last known working version (if any).
when creating user, password contain comma (,) will trigger Text does not validate error.

To Reproduce
Steps to reproduce the behavior:

1. Go to Services -> FreeRADIUS -> Users -> Create new uer
2. Enter Username
3. Enter User password with comma, e.g. 123,
4. Click Save button
   Getting Error Text does not validate. in red and can't save.

Expected behavior
Accept and Saved.

Screenshots
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Relevant log files
If applicable, information from log files supporting your claim.

Additional context
Add any other context about the problem here.
Likely frontend input validation issue. FreeRADIUS accepts password with comma (,).
Also, is there any reason @ is not allowed?
FreeRADIUS accepts @ as password, however OPNsense doesn't allow it.

Environment
Software version used and hardware type if relevant.
e.g.:

OPNsense 25.7.10-amd64
FreeBSD 14.3-RELEASE-p7
OpenSSL 3.0.18

FreeRADIUS 1.9.28_1