🐛 Various bugfixes

- Fixes issue with `scanApps` being non-optional in custom configuration
- Fixes issue with position of separator if Xdebug is not detected
- Ensure that `isRunningSwiftUIPreview` modifier always return false for debug builds

phpmon/Domain/Menu/MainMenu+Startup.swift

@@ -155,11 +155,11 @@ extension MainMenu {
 
         App.shared.detectedApplications = Application.detectPresetApplications()
 
-        let customApps = Preferences.custom.scanApps.map { appName in
+        let customApps = Preferences.custom.scanApps?.map { appName in
             return Application(appName, .user_supplied)
         }.filter { app in
             return app.isInstalled()
-        }
+        } ?? []
 
         App.shared.detectedApplications.append(contentsOf: customApps)
 

phpmon/Domain/Menu/StatusMenu+Items.swift

@@ -216,14 +216,14 @@ extension StatusMenu {
         }
 
         addItems([
-            NSMenuItem.separator(),
             NSMenuItem(title: "mi_xdebug_mode".localized, submenu: [
                 HeaderView.asMenuItem(text: "mi_xdebug_available_modes".localized)
             ] + Xdebug.asMenuItems() + [
                 HeaderView.asMenuItem(text: "mi_xdebug_actions".localized),
                 NSMenuItem(title: "mi_xdebug_disable_all".localized,
                            action: #selector(MainMenu.disableAllXdebugModes))
-            ], target: MainMenu.shared)
+            ], target: MainMenu.shared),
+            NSMenuItem.separator()
         ], target: MainMenu.shared)
     }
 

phpmon/Domain/Menu/StatusMenu.swift

@@ -48,8 +48,9 @@ class StatusMenu: NSMenu {
 
         if Preferences.isEnabled(.displayExtensions) {
             addExtensionsMenuItems()
-            addXdebugMenuItem()
             NSMenuItem.separator()
+
+            addXdebugMenuItem()
         }
 
         addPhpDoctorMenuItem()

phpmon/Domain/Preferences/CustomPrefs.swift

@@ -9,7 +9,7 @@
 import Foundation
 
 struct CustomPrefs: Decodable {
-    let scanApps: [String]
+    let scanApps: [String]?
     let presets: [Preset]?
     let services: [String]?
     let environmentVariables: [String: String]?

phpmon/Domain/SwiftUI/Common/SwiftUIHelper.swift

@@ -10,8 +10,13 @@ import Foundation
 import SwiftUI
 
 var isRunningSwiftUIPreview: Bool {
-    return ProcessInfo.processInfo
-        .environment["XCODE_RUNNING_FOR_PREVIEWS"] != nil
+    #if DEBUG
+        // If running SwiftUI *and* when debugging
+        return ProcessInfo.processInfo.environment["XCODE_RUNNING_FOR_PREVIEWS"] != nil
+    #else
+        // Release builds should always return false here
+        return false
+    #endif
 }
 
 extension Color {