refactor(core): check if element still exists before attempting removal

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

packages/core/src/utils/changes.ts

@@ -115,16 +115,11 @@ export const applyChanges = <
     | EdgeRemoveChange
   )[]
   addRemoveChanges.forEach((change) => {
-    switch (change.type) {
+    if (change.type === 'add') {
-      case 'add':
+      elements.push(<T>change.item)
-        elements.push(<T>change.item)
+    } else if (change.type === 'remove') {
-        break
+      const index = elements.findIndex((el) => el.id === change.id)
-      case 'remove':
+      if (index !== -1) elements.splice(index, 1)
-        elements.splice(
-          elements.findIndex((el) => el.id === change.id),
-          1,
-        )
-        break
     }
   })