[macOS] Alias token improvments on macOS (#2165)

* Alias token improvments on macOS

* Rename `SwiftUI+ViewModifiers` in FluentUI_common

* Fix type casting in static func

* Whitespace

Author: mischreiber

Demos/FluentUIDemo/FluentUIDemo.xcodeproj/project.pbxproj

@@ -316,11 +316,11 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.microsoft.FluentUIDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx xros xrsimulator";
 				SUPPORTS_MACCATALYST = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2";
+				TARGETED_DEVICE_FAMILY = "1,2,7";
 			};
 			name = Debug;
 		};
@@ -353,11 +353,11 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.microsoft.FluentUIDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx xros xrsimulator";
 				SUPPORTS_MACCATALYST = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2";
+				TARGETED_DEVICE_FAMILY = "1,2,7";
 			};
 			name = Release;
 		};

Demos/FluentUIDemo/Sources/Demo.swift

@@ -7,15 +7,21 @@ import SwiftUI
 
 /// An iterable enumeration of all available demos.
 enum Demo: CaseIterable, Hashable {
+    // Components
     case button
     case shimmer
 
+    // Tokens
+    case aliasColorTokens
+
     var title: String {
         switch self {
         case .button:
             return "Button"
         case .shimmer:
             return "Shimmer"
+        case .aliasColorTokens:
+            return "Alias Color Tokens"
         }
     }
 
@@ -26,13 +32,16 @@ enum Demo: CaseIterable, Hashable {
             return ButtonDemoView()
         case .shimmer:
             return ShimmerDemoView()
+        case .aliasColorTokens:
+            return AliasColorTokensDemoView()
         }
     }
 
     /// Only some demos are supported on visionOS.
     var supportsVisionOS: Bool {
         switch self {
-        case .button:
+        case .button,
+             .aliasColorTokens:
             return true
         case .shimmer:
             return false
@@ -86,6 +95,7 @@ private struct Demos {
     ]
 
     static let fluent2DesignTokens: [Demo] = [
+        .aliasColorTokens
     ]
 
     static let controls: [Demo] = [