fix(chore): make svgedit less intrusive by adding components in its div instead of document.body.

src/editor/extensions/ext-grid/ext-grid.js

@@ -40,7 +40,7 @@ export default {
     let showGrid = svgEditor.configObj.curConfig.showGrid || false;
 
     hcanvas.style.display = 'none';
-    document.body.appendChild(hcanvas);
+    svgEditor.$svgEditor.appendChild(hcanvas);
 
     const canvasGrid = svgdoc.createElementNS(NS.SVG, 'svg');
     assignAttributes(canvasGrid, {

src/editor/extensions/ext-storage/ext-storage.js

@@ -82,7 +82,7 @@ export default {
     // storageDialog added to DOM
     const storageBox = document.createElement('se-storage-dialog');
     storageBox.setAttribute('id', 'se-storage-dialog');
-    document.body.append(storageBox);
+    svgEditor.$svgEditor.append(storageBox);
     storageBox.init(svgEditor.i18next);
 
     // manage the change in the storageDialog