feat: replace codemirror and image viewr, opt for simplier approach

frontend/src/components/graph/NodeStatusIndicator.tsx

@@ -63,9 +63,7 @@ function BorderLoadingIndicator({
             container.firstElementChild instanceof HTMLElement
                 ? container.firstElementChild
                 : container
-        const cw = (target as HTMLElement).offsetWidth
-        const ch = (target as HTMLElement).offsetHeight
-        if (cw > 0 && ch > 0) setMeasured({ w: cw, h: ch })
+        // Use ResizeObserver only to avoid forced synchronous layout (offsetWidth/offsetHeight).
         const unObserve = observeResize(target, ({ width: w, height: h }) => {
             if (w > 0 && h > 0) setMeasured({ w, h })
         })