ci: Remove unnecessary async/await, enable await-thenable linting rule (no-changelog) (#8076)

## Summary
We accidentally made some functions `async` in
https://github.com/n8n-io/n8n/pull/7846
This PR reverts that change. 

## Review / Merge checklist
- [x] PR title and summary are descriptive.

packages/cli/src/UserManagement/PermissionChecker.ts

@@ -32,7 +32,7 @@ export class PermissionChecker {
 			relations: ['globalRole'],
 		});
 
-		if (await user.hasGlobalScope('workflow:execute')) return;
+		if (user.hasGlobalScope('workflow:execute')) return;
 
 		// allow if all creds used in this workflow are a subset of
 		// all creds accessible to users who have access to this workflow

packages/cli/src/UserManagement/UserManagementHelper.ts

@@ -58,7 +58,7 @@ export function rightDiff<T1, T2>(
  * Build a `where` clause for a TypeORM entity search,
  * checking for member access if the user is not an owner.
  */
-export async function whereClause({
+export function whereClause({
 	user,
 	entityType,
 	globalScope,
@@ -70,10 +70,10 @@ export async function whereClause({
 	globalScope: Scope;
 	entityId?: string;
 	roles?: string[];
-}): Promise<WhereClause> {
+}): WhereClause {
 	const where: WhereClause = entityId ? { [entityType]: { id: entityId } } : {};
 
-	if (!(await user.hasGlobalScope(globalScope))) {
+	if (!user.hasGlobalScope(globalScope)) {
 		where.user = { id: user.id };
 		if (roles?.length) {
 			where.role = { name: In(roles) };