fix image zooming

src/public/app/widgets/mermaid.js

@@ -85,8 +85,8 @@ export default class MermaidWidget extends NoteContextAwareWidget {
 
             WZoom.create(`#mermaid-render-${idCounter}`, {
                 type: 'html',
-                maxScale: 10,
-                speed: 20,
+                maxScale: 50,
+                speed: 1.3,
                 zoomOnClick: false
             });
         } catch (e) {

src/public/app/widgets/type_widgets/image.js

@@ -49,8 +49,8 @@ class ImageTypeWidget extends TypeWidget {
 
         libraryLoader.requireLibrary(libraryLoader.WHEEL_ZOOM).then(() => {
             WZoom.create(`#${this.$imageView.attr("id")}`, {
-                maxScale: 10,
-                speed: 20,
+                maxScale: 50,
+                speed: 1.3,
                 zoomOnClick: false
             });
         });