feat(server): tone-mapping (#3512)

* added tonemapping

* check for hdr in transcode policy

* merged video thumbnail and transcoding logic

* updated tests

* removed log

* added dashboard option, updated api

* `out_color_matrix` for sdr video thumbs, cleanup

* updated tests & styling

* refactored tonemapping setting

* fixed tests

* formatting

* added tests

* updated api

* set target npl higher for mobius and reinhard

* convert to nv12 before nvenc

* fix test

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/openapi/.openapi-generator/FILES

@@ -110,6 +110,7 @@ doc/TagTypeEnum.md
 doc/ThumbnailFormat.md
 doc/TimeBucketResponseDto.md
 doc/TimeBucketSize.md
+doc/ToneMapping.md
 doc/TranscodeHWAccel.md
 doc/TranscodePolicy.md
 doc/UpdateAlbumDto.md
@@ -240,6 +241,7 @@ lib/model/tag_type_enum.dart
 lib/model/thumbnail_format.dart
 lib/model/time_bucket_response_dto.dart
 lib/model/time_bucket_size.dart
+lib/model/tone_mapping.dart
 lib/model/transcode_hw_accel.dart
 lib/model/transcode_policy.dart
 lib/model/update_album_dto.dart
@@ -359,6 +361,7 @@ test/tag_type_enum_test.dart
 test/thumbnail_format_test.dart
 test/time_bucket_response_dto_test.dart
 test/time_bucket_size_test.dart
+test/tone_mapping_test.dart
 test/transcode_hw_accel_test.dart
 test/transcode_policy_test.dart
 test/update_album_dto_test.dart