Add comprehensive test suite, fix minor issues, rename function and file names to match approved verbs (#708)

Scripts/Helpers/Confirm-UnsafeAppRemoval.ps1

@@ -0,0 +1,35 @@
+<#
+    .SYNOPSIS
+        Confirms removal of applications that require an extra safety warning.
+#>
+function Confirm-UnsafeAppRemoval {
+    param (
+        [string[]]$SelectedApps,
+        $Owner = $null
+    )
+
+    # Skip all warnings in Silent mode
+    if ($Silent) {
+        return $true
+    }
+
+    # Microsoft Store warning
+    if ($SelectedApps -contains "Microsoft.WindowsStore") {
+        $result = Show-MessageBox -Message 'Are you sure that you wish to uninstall the Microsoft Store? This app cannot easily be reinstalled.' -Title 'Are you sure?' -Button 'YesNo' -Icon 'Warning' -Owner $Owner
+
+        if ($result -ne 'Yes') {
+            return $false
+        }
+    }
+
+    # Windows Terminal warning
+    if ($SelectedApps -contains "Microsoft.WindowsTerminal") {
+        $result = Show-MessageBox -Message 'Are you sure that you wish to remove Windows Terminal? Windows Terminal is the default command-line app for Windows. Ensure you are not running Win11Debloat via Windows Terminal before proceeding to avoid a mid-process failure.' -Title 'Are you sure?' -Button 'YesNo' -Icon 'Warning' -Owner $Owner
+
+        if ($result -ne 'Yes') {
+            return $false
+        }
+    }
+
+    return $true
+}