fix: RDP-Login-Monitor scheduled task unlimited ExecutionTimeLimit (2.0.24-SAC)

Default PT72H caused Task Scheduler to stop the monitor after 72 hours.
Register main task with PT0S, re-register on deploy and Ensure when limit is set.

Co-authored-by: Cursor <cursoragent@cursor.com>

Install-ScheduledTasks.ps1

@@ -46,7 +46,8 @@ $mainSettings = New-ScheduledTaskSettingsSet `
     -AllowStartIfOnBatteries `
     -DontStopIfGoingOnBatteries `
     -StartWhenAvailable `
-    -MultipleInstances IgnoreNew
+    -MultipleInstances IgnoreNew `
+    -ExecutionTimeLimit ([TimeSpan]::Zero)
 
 Register-ScheduledTask `
     -TaskName $MainTaskName `