[editor] Remove drag boundary for static positioned elements

This is causing a bug, where elements can not be properly dragged to the 
top or left. I don't know why that happens. It may be a cause of to many 
nested divs with positioning statements.

projects/editor/src/app/components/unit-view/page-view/canvas/static-canvas-overlay.component.ts

@@ -7,7 +7,6 @@ import { CanvasElementOverlay } from './canvas-element-overlay';
   template: `
     <div class="draggable-element" [class.draggable-element-selected]="selected"
          cdkDrag [cdkDragData]="{dragType: 'move', element: element}"
-         cdkDragBoundary=".canvasFrame"
          (click)="selectElement($event.shiftKey)" (cdkDragStarted)="selectElement()"
          (dblclick)="openEditDialog()">
     <!--    Needs extra div because styling can interfere with drag and drop-->