[ACA-45] Drag and Drop a New Version (#5710)

* added a new input: file

* unit test - having singleFile option and a file as input, the type of the input for uploading should be button instead of file

* added a click event for the upload button and also handle if having a file as input, the type of the input should be 'button' instead of 'file'

* handling allowed for upload also for 'update' permissions over a dropped file. also emitting a new event for updating file version if i'm dropping a single file over another file.

* unit tests for handling dropping a file over another

* added a new input (file type)

* passing a file to adf-version-upload component

* new input as file and toggle new version if having that as input + unit test

* added new input as file for new version

* added new input to allow dropping a file over another to update it's version

* added a new variable for handling dropping a file over another one and also handle a new event when we update the file version

* pass a new dropped file to the dialog

* new message

* new method to allow isDropTarget for a file instead only to folders.

* new emitter for updating a file's version

* allows updating a file's version by dropping another file over it.

* refactor allowDropFiles

* update docs for drag&drop file into another file

* update for drag&drop a file over another file functionality

* made the allowDropFiles checking optional for isDropTarget property, only checking if the value is passed to the share-data-row

Co-authored-by: Eugenio Romano <eugenio.romano@alfresco.com>

demo-shell/resources/i18n/en.json

@@ -119,7 +119,7 @@
   "DOCUMENT_LIST": {
     "MULTISELECT_CHECKBOXES": "Multiselect (with checkboxes)",
     "THUMBNAILS": "Enable Thumbnails",
-    "ALLOW_DROP_FILES": "Enable Drop Files in a folder",
+    "ALLOW_DROP_FILES": "Enable Drop Files in a folder or a file",
     "MULTIPLE_FILE_UPLOAD": "Multiple File Upload",
     "FOLDER_UPLOAD": "Folder upload",
     "CUSTOM_FILTER": "Custom extensions filter",