Enhancement: dashboard improvements, drag-n-drop reorder dashboard views (#4252)

* Updated dashboard

* Make entire screen dropzone on dashboard too

* Floating upload widget status alerts

* Visual tweaks: spacing, borders

* Better empty view widget

* Support drag + drop reorder of dashboard saved views

* Update messages.xlf

* Disable dashbaord dnd if global dnd active

* Remove ngx-file-drop dep, rebuild file-drop & upload files widget

* Revert custom file drop implementation

* Try patch-package fix

* Simplify dropzone transitions to make more reliable

* Update messages.xlf

* Update dashboard.spec.ts

* Fix coverage

src-ui/src/app/components/file-drop/file-drop.component.html

@@ -0,0 +1,14 @@
+<div [class.pe-none]="fileIsOver">
+    <ng-content select="[content]"></ng-content>
+</div>
+
+<div class="global-dropzone-overlay position-fixed top-0 start-0 bottom-0 end-0 text-center pe-none fade" [class.show]="fileIsOver" [class.hide]="hidden">
+    <h2 class="pe-none position-absolute top-50 start-50 translate-middle" i18n>Drop files to begin upload</h2>
+</div>
+
+<ngx-file-drop
+    dropZoneClassName="visually-hidden"
+    contentClassName="visually-hidden"
+    (onFileDrop)="dropped($event)"
+    #ngxFileDrop>
+</ngx-file-drop>