[BUG] Panic in multipart fuzzing + unsupported content-type & filename

[Ice3man543]

Is there an existing issue for this?

• I have searched the existing issues.

Current Behavior

Not supported to fuzz like below

-----------------------------13382841176870751782402671908
Content-Disposition: form-data; name="surname"

test
-----------------------------13382841176870751782402671908
Content-Disposition: form-data; name="image"; filename="xss.svg"
Content-Type: image/svg+xml

<!DOCTYPE ccabca [ <!ENTITY ccabca SYSTEM "file:////etc/passwd"> ]><x>&ccabca;</x>

Expected Behavior

it should work

Steps To Reproduce

Default command

Relevant log output

No response

Environment

• OS: Mac
• Nuclei: Latest
• Go: go1.22

Anything else?

No response