[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>

lib/core/datatable/components/datatable/datatable.component.html

@@ -60,7 +60,7 @@
                 (select)="onEnterKeyPressed(row, $event)"
                 (keyup)="onRowKeyUp(row, $event)"
                 (keydown)="onRowEnterKeyDown(row, $event)"
-                [adf-upload]="allowDropFiles && rowAllowsDrop(row)"
+                [adf-upload]="rowAllowsDrop(row)"
                 [adf-upload-data]="row"
                 [ngStyle]="rowStyle"
                 [ngClass]="getRowStyle(row)"

lib/core/datatable/components/datatable/datatable.component.ts

@@ -105,12 +105,6 @@ export class DataTableComponent implements AfterContentInit, OnChanges, DoCheck,
     @Input()
     contextMenu: boolean = false;
 
-    /** Toggles file drop support for rows (see
-     * [Upload directive](upload.directive.md) for further details).
-     */
-    @Input()
-    allowDropFiles: boolean = false;
-
     /** The inline style to apply to every row. See
      * [NgStyle](https://angular.io/docs/ts/latest/api/common/index/NgStyle-directive.html)
      * docs for more details and usage examples.