feat: Dynamically update Windows architecture options

Implements logic to filter the available Windows architectures based on the selected OS Release, Version, and SKU. This ensures that only valid architecture options are presented to the user.

- Adds a new function to determine the correct architectures for different Windows versions (e.g., Server, Windows 10/11, LTSC editions).
- Wires up event handlers to the Release, Version, and SKU dropdowns to refresh the architecture list when their selection changes.
- Refactors initialization to use this new dynamic logic.

FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1

@@ -151,10 +151,29 @@ function Register-EventHandlers {
             if ($null -ne $localState.Controls.cmbWindowsRelease.SelectedItem) {
                 $selectedReleaseValue = $localState.Controls.cmbWindowsRelease.SelectedItem.Value
             }
-            # Only need to update the Version combo when Release changes
             Update-WindowsVersionCombo -selectedRelease $selectedReleaseValue -isoPath $localState.Controls.txtISOPath.Text -State $localState
-            # Also update the SKU combo (now derives values internally)
             Update-WindowsSkuCombo -State $localState
+            Update-WindowsArchCombo -State $localState
+        })
+
+    $State.Controls.cmbWindowsVersion.Add_SelectionChanged({
+            param($eventSource, $selectionChangedEventArgs)
+            # This event should only fire on user interaction or after Update-WindowsVersionCombo runs.
+            # We only need to update the architecture, as SKU is dependent only on Release.
+            $window = [System.Windows.Window]::GetWindow($eventSource)
+            if ($null -eq $window) { return } # Window might be closing
+            $localState = $window.Tag
+            Update-WindowsArchCombo -State $localState
+        })
+
+    $State.Controls.cmbWindowsSKU.Add_SelectionChanged({
+            param($eventSource, $selectionChangedEventArgs)
+            # This event should only fire on user interaction or after Update-WindowsSkuCombo runs.
+            # We only need to update the architecture.
+            $window = [System.Windows.Window]::GetWindow($eventSource)
+            if ($null -eq $window) { return } # Window might be closing
+            $localState = $window.Tag
+            Update-WindowsArchCombo -State $localState
         })
 
     $State.Controls.btnBrowseISO.Add_Click({