[REM-1923] Fix handling of pause break key for RDP connections

Description

Pause break key now works by using KBD_FLAGS_EXTENDED1

Related Issue

#1923 (closed)

How Has This Been Tested?

Connect to windows machine. With grab all keyboard events active, hit windows key + pause break key. Confirm that system information window opens.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

merged

mentioned in commit 07e51fb1

mentioned in issue #1923 (closed)

mentioned in issue #3003 (closed)

mentioned in merge request !2551 (merged)

mentioned in commit 80e58310

mentioned in merge request !2564 (merged)

mentioned in commit 1c9fdf4f