Fix ESLint indent and unused variable in map composables.

app/composables/useCotStream.js

@@ -28,7 +28,7 @@ export function useCotStream(boundsRef, layerQueryRef) {
   const subscribedKey = ref('')
   const streamBounds = ref(null)
 
-  const setEntities = record => {
+  const setEntities = (record) => {
     entities.value = Object.freeze(record)
   }
 
@@ -66,8 +66,9 @@ export function useCotStream(boundsRef, layerQueryRef) {
     }))
     es.addEventListener('remove', e => parseEvent(e, ({ id }) => {
       if (!id) return
-      const { [id]: _removed, ...rest } = entities.value
-      setEntities(rest)
+      setEntities(Object.fromEntries(
+        Object.entries(entities.value).filter(([key]) => key !== String(id)),
+      ))
     }))
     es.onerror = () => {
       closeStream()