avoid telemetry failing interfering with mcp responses

[yrobla]

Server was crashing with 404 errors when writing to telemetry

Closes: #2114

[yrobla]

@danbarr i came with the cleanest approach. The error happens in the same lines (write header) but i added some error controls there to avoid that telemetry crashes the server. I think it's cleaner. Please try

[codecov]

Codecov Report

❌ Patch coverage is 40.90909% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.85%. Comparing base (4b3b3d1) to head (f5d870a).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/telemetry/middleware.go	40.90%	10 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2147      +/-   ##
==========================================
- Coverage   48.90%   48.85%   -0.05%     
==========================================
  Files         242      242              
  Lines       30722    30741      +19     
==========================================
- Hits        15024    15018       -6     
- Misses      14573    14591      +18     
- Partials     1125     1132       +7     

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[danbarr]

@danbarr i came with the cleanest approach. The error happens in the same lines (write header) but i added some error controls there to avoid that telemetry crashes the server. I think it's cleaner. Please try

@yrobla I just tested with this new branch, and the fix is working for me.