fix: avoid dashboard ready state loop

src/components/dashboards/dashboard-builder.tsx

@@ -597,6 +597,18 @@ export function DashboardBuilder({ dashboardId, editable = true, mode = "edit" }
           next.add(key)
         }
       })
+      if (next.size === prev.size) {
+        let differs = false
+        for (const key of next) {
+          if (!prev.has(key)) {
+            differs = true
+            break
+          }
+        }
+        if (!differs) {
+          return prev
+        }
+      }
       return next
     })
   }, [canvasItems])