[Fixes] Improve Error Handling + UI (#3437)

* add proper error handling + Taskbaritem support to WPFSystemRepair

* implement other fixes

- add Taskbarprogress to WPFFixesNetwork
- add Taskbarprogress to WPFFixesUpdate
- add Error handling + Taskbarprogress to WPFFixesWinget
- add finalisation in WPFSystemRepair

functions/public/Invoke-WPFFixesUpdate.ps1

@@ -30,6 +30,8 @@ function Invoke-WPFFixesUpdate {
     param($Aggressive = $false)
 
     Write-Progress -Id 0 -Activity "Repairing Windows Update" -PercentComplete 0
+    Set-WinUtilTaskbaritem -state "Indeterminate" -overlay "logo"
+    Write-Host "Starting Windows Update Repair..."
     # Wait for the first progress bar to show, otherwise the second one won't show
     Start-Sleep -Milliseconds 200
 
@@ -190,12 +192,15 @@ function Invoke-WPFFixesUpdate {
     try {
         (New-Object -ComObject Microsoft.Update.AutoUpdate).DetectNow()
     } catch {
+        Set-WinUtilTaskbaritem -state "Error" -overlay "warning"
         Write-Warning "Failed to create Windows Update COM object: $_"
     }
     Start-Process -NoNewWindow -FilePath "wuauclt" -ArgumentList "/resetauthorization", "/detectnow"
     Write-Progress -Id 10 -ParentId 0 -Activity "Forcing discovery" -Status "Completed" -PercentComplete 100
     Write-Progress -Id 0 -Activity "Repairing Windows Update" -Status "Completed" -PercentComplete 100
 
+    Set-WinUtilTaskbaritem -state "None" -overlay "checkmark"
+
     $ButtonType = [System.Windows.MessageBoxButton]::OK
     $MessageboxTitle = "Reset Windows Update "
     $Messageboxbody = ("Stock settings loaded.`n Please reboot your computer")