[GH-30077] New actions for websocket group member update (#30086)

* Added: Update on `groups` & `profiles` on websocket.

webapp/platform/client/src/client4.ts

@@ -77,6 +77,7 @@ import type {
     GetGroupsParams,
     GetGroupsForUserParams,
     GroupStats,
+    GroupMember,
 } from '@mattermost/types/groups';
 import type {PostActionResponse} from '@mattermost/types/integration_actions';
 import type {
@@ -3745,14 +3746,14 @@ export default class Client4 {
     };
 
     addUsersToGroup = (groupId: string, userIds: string[]) => {
-        return this.doFetch<UserProfile[]>(
+        return this.doFetch<GroupMember[]>(
             `${this.getGroupRoute(groupId)}/members`,
             {method: 'post', body: JSON.stringify({user_ids: userIds})},
         );
     };
 
     removeUsersFromGroup = (groupId: string, userIds: string[]) => {
-        return this.doFetch<UserProfile[]>(
+        return this.doFetch<GroupMember[]>(
             `${this.getGroupRoute(groupId)}/members`,
             {method: 'delete', body: JSON.stringify({user_ids: userIds})},
         );

webapp/platform/types/src/groups.ts

@@ -182,6 +182,13 @@ export type GroupSearchParams = GetGroupsParams & {
     include_channel_member_count?: string;
 }
 
+export type GroupMember = {
+    group_id: string;
+    user_id: string;
+    create_at: number;
+    deleted_at: number;
+}
+
 export type GroupMembership = {
     user_id: string;
     roles: string;