test: semantically splits admin e2e (#10213)

Improves the admin e2e test splitting by grouping them by type with
semantic names as opposed to numerically. This will provide much needed
clarity to exactly _where_ new admin tests should be written and help to
quickly distinguish the areas of failure within the CI overview.

test/hooks/e2e.spec.ts

@@ -21,7 +21,7 @@ const { beforeAll, beforeEach, describe } = test
 
 let payload: PayloadTestSDK<Config>
 
-describe('hooks', () => {
+describe('Hooks', () => {
   let url: AdminUrlUtil
   let page: Page
   let serverURL: string