* Update _addAnkiNote to track errors
* Change comparison
* Update anki note adding to show errors
* Fix template
* Show errors when Anki card creation behaves unexpectedly
* Update some errors related to anki media injection
* Update addAnkiNote error handling
* Improve Anki errors
* Simplify error messages related to template rendering
* Move loadImageBase64 into DictionaryImporter
* Convert mediaUtility to a class
* Add getFileExtensionFromImageMediaType to MediaUtility
* Use MediaUtility instead of _getImageExtensionFromMediaType
* Use MediaUtility in ClipboardReader to validate images before reading
* Create ClipboardReader class
* Use ClipboardReader in Backend
* Update ClipboardMonitor to use ClipboardReader
* Replace _onApiClipboardImageGet call
* Assign clipboard reader browser