feat(dees-dashboardgrid): enhance widget placement validation and logging for drag-and-drop interactions

ts_web/elements/dees-dashboardgrid/layout.ts

@@ -161,7 +161,9 @@ export const resolveWidgetPlacement = (
     if (!other.locked && !other.noMove && other.w === moving.w && other.h === moving.h) {
       const otherClone = sourceWidgets.find(widget => widget.id === other.id);
       if (otherClone) {
-        const swapTarget = previousPosition ?? original;
+        // Use the original position of the moving widget for a clean swap
+        // This prevents the "snapping together" issue where both widgets end up at the same position
+        const swapTarget = original;
         otherClone.x = swapTarget.x;
         otherClone.y = swapTarget.y;
         return { widgets: sourceWidgets, movedWidgets: [moving.id, otherClone.id], swappedWith: otherClone.id };