Refactor the Element Details Panel

js/help.js

test/Element/Classifications/Classifications.js

test/Element/Transcription/GroupedTranscriptions.js

test/Element/Transcription/Transcription.js

vue/DropdownContent.vue

vue/Element/AnnotationPanel.vue

vue/Element/Classifications/Classification.vue

vue/Element/Classifications/Classifications.vue

vue/Element/DetailsPanel.vue

vue/Element/Main.vue

vue/Element/Metadata/Metadata.vue

vue/Element/Metadata/MetadataPanel.vue

vue/Element/PanelHeader.vue

vue/Element/Transcription/Box.vue

vue/Element/Transcription/GroupedTranscriptions.vue

vue/Element/Transcription/Transcription.vue

vue/Entity/Links.vue

vue/Process/Workers/Versions/Details.vue