Support room version 12 (#2399)

* WIP - support room version 12

* add room creators hook

* revert changes from powerlevels

* improve use room creators hook

* add hook to get dm users

* add options to add creators in create room/space

* add member item component in member drawer

* remove unused import

* extract member drawer header component

* get room creators as set only if room version support them

* add room permissions hook

* support room v12 creators power

* make predecessor event id optional

* add info about founders in permissions

* allow to create infinite powers to room creators

* allow everyone with permission to create infinite power

* handle additional creators in room upgrade

* add option to follow space tombstone

src/app/hooks/useMemberSort.ts

@@ -1,5 +1,5 @@
 import { RoomMember } from 'matrix-js-sdk';
-import { useMemo } from 'react';
+import { useCallback, useMemo } from 'react';
 
 export const MemberSort = {
   Ascending: (a: RoomMember, b: RoomMember) =>
@@ -46,3 +46,20 @@ export const useMemberSort = (index: number, memberSort: MemberSortItem[]): Memb
   const item = memberSort[index] ?? memberSort[0];
   return item;
 };
+
+export const useMemberPowerSort = (creators: Set<string>): MemberSortFn => {
+  const sort: MemberSortFn = useCallback(
+    (a, b) => {
+      if (creators.has(a.userId) && creators.has(b.userId)) {
+        return 0;
+      }
+      if (creators.has(a.userId)) return -1;
+      if (creators.has(b.userId)) return 1;
+
+      return b.powerLevel - a.powerLevel;
+    },
+    [creators]
+  );
+
+  return sort;
+};