rtmp: fix compatibility with nginx-rtmp-module (#2383)

[aler9]

Fixes #2383

[codecov]

Codecov Report

Merging #2520 (1e1456d) into main (648e90f) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2520      +/-   ##
==========================================
+ Coverage   61.08%   61.12%   +0.03%     
==========================================
  Files         138      138              
  Lines       15224    15224              
==========================================
+ Hits         9300     9305       +5     
+ Misses       5222     5217       -5     
  Partials      702      702              

Files	Coverage Δ
internal/rtmp/conn.go	63.06% <100.00%> (ø)

... and 3 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[winkmichael]

Unable to push RTMP feeds from nginx-rtmp module.

nginx-rtmp -> push to mediamtx

2023/10/25 23:59:45 INF [RTMP] [conn 24.16.62.11:1024] closed: invalid body size
2023/10/25 23:59:45 DEB [path public/WF03-61FD-A9A4-6AB0-7F89_test] created
2023/10/25 23:59:45 DEB [path public/WF03-6202-A9A4-AFB0-E084_test] created
2023/10/25 23:59:45 DEB [path public/WF03-6251-A9A4-29D3-6C37_test] destroyed: not in use
2023/10/25 23:59:45 INF [RTMP] [conn 24.16.62.11:1376] closed: invalid body size
2023/10/25 23:59:45 DEB [path public/WF03-61FD-A9A4-6AB0-7F89_test] destroyed: not in use
2023/10/25 23:59:45 INF [RTMP] [conn 24.16.62.11:1310] closed: invalid body size
2023/10/25 23:59:45 DEB [path public/WF03-6202-A9A4-AFB0-E084_test] destroyed: not in use
2023/10/25 23:59:45 INF [RTMP] [conn 24.16.62.11:1337] closed: invalid body size

[aler9]

@winkmichael this is not the way to report bugs. Open an issue and provide instructions on how to replicate.