Fixed various warnings

src/libs/audio/impl/ffmpeg/TagReader.cpp

@@ -144,8 +144,7 @@ namespace lms::audio::ffmpeg
     } // namespace
 
     TagReader::TagReader(const AudioFile& audioFile, bool enableExtraDebugLogs)
-        : _audioFile{ audioFile }
-        , _metaDataMap{ audioFile.extractMetaData() }
+        : _metaDataMap{ audioFile.extractMetaData() }
     {
         if (enableExtraDebugLogs && core::Service<core::logging::ILogger>::get()->isSeverityActive(core::logging::Severity::DEBUG))
         {

src/libs/audio/impl/ffmpeg/TagReader.hpp

@@ -39,7 +39,6 @@ namespace lms::audio::ffmpeg
         void visitPerformerTags(PerformerVisitor visitor) const override;
         void visitLyricsTags(LyricsVisitor visitor) const override;
 
-        const AudioFile& _audioFile;
         AudioFile::MetadataMap _metaDataMap;
     };
 } // namespace lms::audio::ffmpeg