fix(events): ensure callable metadata is replicated

[Harshal6927]

Description

• When passing sync functions to listeners which can raise an error put the Litestar into unrecoverable state. (https://discord.com/channels/919193495116337154/1342406039013949440)

Closes

#4044

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.34%. Comparing base (171f98e) to head (a1480ff).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4045   +/-   ##
=======================================
  Coverage   98.33%   98.34%           
=======================================
  Files         348      348           
  Lines       15824    15829    +5     
  Branches     1748     1749    +1     
=======================================
+ Hits        15561    15567    +6     
+ Misses        127      125    -2     
- Partials      136      137    +1     

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[github-actions]

Documentation preview will be available shortly at https://litestar-org.github.io/litestar-docs-preview/4045

[cofin]

LGTM