- Fix: Add images (and references) for fallback (#135)

- Fix (canvg): blur export fix
- i18n (Chinese): A few fixes (#135)
- Optimize: Further image optimizing
- Refactoring: Avoid custom JS substitution syntax
- Refactoring: Reorder default extension list

editor/extensions/ext-foreignobject.js

@@ -91,6 +91,7 @@ export default {
 
     const buttons = [{
       id: 'tool_foreign',
+      icon: svgEditor.curConfig.extIconsPath + 'foreignobject-tool.png',
       type: 'mode',
       events: {
         click () {
@@ -99,6 +100,7 @@ export default {
       }
     }, {
       id: 'edit_foreign',
+      icon: svgEditor.curConfig.extIconsPath + 'foreignobject-edit.png',
       type: 'context',
       panel: 'foreignObject_panel',
       events: {