Skip placeholder flag logic when not in edit mode

Adds early return in load method to skip placeholder processing when aposEdit query parameter is not set to '1', preventing unnecessary placeholder logic execution outside of edit context.

Author: skosarin

packages/apostrophe/modules/@apostrophecms/image-widget/index.js

@@ -185,6 +185,10 @@ module.exports = {
       async load(_super, req, widgets) {
         await _super(req, widgets);
 
+        if (!req.query || String(req.query.aposEdit) !== '1') {
+          return;
+        }
+
         for (const widget of widgets) {
           if (widget.aposPlaceholder === false && Array.isArray(widget._image) && widget._image.length === 0) {
             widget.aposPlaceholder = true;