api: allow to edit properties of path config "all" (#2067)

[aler9]

No description provided.

[codecov]

Codecov Report

Merging #2075 (4336cea) into main (048280f) will decrease coverage by 0.04%.
The diff coverage is 80.48%.

@@            Coverage Diff             @@
##             main    #2075      +/-   ##
==========================================
- Coverage   62.34%   62.30%   -0.04%     
==========================================
  Files         109      109              
  Lines       11376    11374       -2     
==========================================
- Hits         7092     7087       -5     
- Misses       3777     3780       +3     
  Partials      507      507              

Impacted Files	Coverage Δ
internal/core/path.go	72.95% <ø> (-0.66%)	⬇️
internal/conf/path.go	26.19% <40.00%> (-0.26%)	⬇️
internal/core/path_manager.go	89.11% <82.14%> (ø)
internal/conf/conf.go	80.95% <100.00%> (+1.67%)	⬆️
internal/core/hls_http_server.go	62.28% <100.00%> (ø)
internal/core/webrtc_http_server.go	61.97% <100.00%> (ø)

... and 1 file with indirect coverage changes

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