Fix spelling and typos

https://microsoft-ce-csi.acrolinx.cloud/api/v1/checking/scorecards/102f0802-1445-4214-8ca7-48e7a22f5831#CORRECTNESS
Line 103: Audio Alert on Andriod corporate (Android)
Lines 350-352: Backup (Back up)
Line 427: Allow Screen Shot (Screenshot)
Line 645: Multiple Session Enabled (Sessions)
Lines 728-729: Intune apps now supports Android 12L OS on Android dual-screen devices. (app)

Lines 753, 757, 1384, 1459, 1550, 1772, 1774, 1844, 1846, 2323, 2530, 2698, 2844, 3029, 3238, 3240, and 3290: personally-owned (personally owned)
Lines 1459, 1846, 2323, 3240, and 3290: personally owned work profile devices (work-profile)
(Retained "personally-owned" where the term appeared to be a part of an interface or code)

Line 1319: service side updates (service-side updates)
Line 1691: newly-created items (newly created items)
Line 1691: all newly-synced Managed Google Play apps (all newly synced Managed Google Play apps)

Author: Angela Fleischmann