Fix extra denied permissions on companion channels

backend/src/utils/filterObject.ts

@@ -0,0 +1,13 @@
+/**
+ * Filter an object's properties based on its values and keys
+ * @return New object with filtered properties
+ */
+export function filterObject<T extends Record<string | number | symbol, unknown>>(
+  object: T,
+  filterFn: <K extends keyof T>(value: T[K], key: K) => boolean,
+): Record<keyof T, T[keyof T]> {
+  return Object.fromEntries(Object.entries(object).filter(([key, value]) => filterFn(value as any, key))) as Record<
+    keyof T,
+    T[keyof T]
+  >;
+}