Update MS-700-lab_M04_ak.md

[ITBlandMCT]

Updated to match the new Webinar UI

Module: 04

Exercise: 01

Task: 05

Fixes #164

Changes proposed in this pull request:

• Updated instructions to match the new webinar UI
• Fixed error in Lab 02, Ex 3, Task 8, Step 6 that caused an error when creating the GDPR DLP.