fix(#4): 🐛 address NotFoundError

This fix solves the NotFoundError, throwed whenever there was an attempt of removing an already removed target

src/AnnotationControl/annotationPanel.js

@@ -343,7 +343,23 @@ export function initAnnotationsPanel(viewer) {
         ev.stopPropagation()
         startInlineEditForUUID(uuid)
       })
-      input.replaceWith(newLabel)
+      // The input may have been removed already by an external update.
+      // Check connectivity before replacing to avoid DOMNotFound errors.
+      try {
+        if (input.isConnected) {
+          input.replaceWith(newLabel)
+        } else {
+          // If input no longer in DOM, ensure any existing label is updated instead
+          const existing = targetContainer.querySelector(`.annotation-label[data-uuid="${uuid}"]`)
+          if (existing) existing.textContent = newText
+        }
+      } catch (e) {
+        // ignore DOM replacement errors and try to update label if present
+        try {
+          const existing = targetContainer.querySelector(`.annotation-label[data-uuid="${uuid}"]`)
+          if (existing) existing.textContent = newText
+        } catch (_) {}
+      }
       // commit to jsTree and live annotation
       _commitEditedName(uuid, newText)
     }