ci: match EdgeDriver to WebView2 runtime, not Edge browser

Tauri apps use the WebView2 runtime, which can be a different version
than the Edge browser on the same machine. Read the WebView2 runtime
version from the registry and download the matching EdgeDriver.

Signed-off-by: Mohammod Al Amin Ashik <maa.ashik00@gmail.com>

Author: its-mash

.github/workflows/e2e-desktop.yml

@@ -131,11 +131,13 @@ jobs:
         if: matrix.os == 'windows-latest'
         shell: pwsh
         run: |
-          $edgePath = "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
-          if (-not (Test-Path $edgePath)) { $edgePath = "C:\Program Files\Microsoft\Edge\Application\msedge.exe" }
-          $edgeVersion = (Get-Item $edgePath).VersionInfo.ProductVersion
-          Write-Host "Edge version: $edgeVersion"
-          $driverUrl = "https://msedgewebdriverstorage.blob.core.windows.net/edgewebdriver/$edgeVersion/edgedriver_win64.zip"
+          # Tauri uses the WebView2 runtime, not Edge directly.
+          # msedgedriver must match the WebView2 runtime version, not the Edge browser version.
+          $wv2Key = 'HKLM:\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5}'
+          if (-not (Test-Path $wv2Key)) { $wv2Key = 'HKLM:\SOFTWARE\Microsoft\EdgeUpdate\Clients\{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5}' }
+          $wv2Version = (Get-ItemProperty $wv2Key).pv
+          Write-Host "WebView2 runtime version: $wv2Version"
+          $driverUrl = "https://msedgewebdriverstorage.blob.core.windows.net/edgewebdriver/$wv2Version/edgedriver_win64.zip"
           $zipPath = "$env:TEMP\edgedriver.zip"
           $extractDir = "$env:TEMP\edgedriver"
           Invoke-WebRequest -Uri $driverUrl -OutFile $zipPath