Add setting to prioritise what audio codec to transcode to (#5434)

* Add setting to prioritise what audio codec to transcode to

* Add comment

* rename selectPreferredTranscodeAudio to preferredTranscodeAudio

* Add review changes

* Add review changes

* Add reviewed fixes

* Add help text.

* Fix elint

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Change *AudioCodecInVideo  to *VideoAudioCodec  and move option to video advanced

* Update src/components/playbackSettings/playbackSettings.template.html

Co-authored-by: Dmitry Lyzo <56478732+dmitrylyzo@users.noreply.github.com>

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Dmitry Lyzo <56478732+dmitrylyzo@users.noreply.github.com>

src/components/playbackSettings/playbackSettings.template.html

@@ -179,6 +179,19 @@
             </label>
             <div class="fieldDescription checkboxFieldDescription">${EnableTrueHdHelp}</div>
         </div>
+
+        <div class="selectContainer">
+            <select is="emby-select" id="selectPreferredTranscodeVideoAudioCodec" label="${LabelSelectPreferredTranscodeVideoAudioCodec}">
+                <option value="">${Auto}</option>
+                <option value="aac">AAC</option>
+                <option value="ac3">AC3</option>
+                <option value="alac">ALAC</option>
+                <option value="dts">DTS</option>
+                <option value="flac">FLAC</option>
+                <option value="opus">Opus</option>
+            </select>
+            <div class="fieldDescription">${SelectPreferredTranscodeVideoAudioCodecHelp}</div>
+        </div>
     </div>
 
     <button is="emby-button" type="submit" class="raised button-submit block btnSave hide">