Adds isiOSAppOnMac detection

Rebased, and includes the suggestion from erisu

README.md

@@ -297,8 +297,8 @@ As of Android 9, the underlying native API that powered the `uuid` property is d
 
 ## device.isiOSAppOnMac
 
-Is the iOS app running on the Mac desktop? Will only return true on a Mac with an ARM64 processor (Apple Silicon).
-Returns false for all other platforms.
+The iOS app is running on the Mac desktop (Apple Silicon ARM64 processor, M1 or newer). 
+This parameter is only returned for iOS V14.0 or later, and is not returned for Android devices.
 
 ```js
 var boolean = device.isiOSAppOnMac;

src/osx/CDVDevice.m

@@ -37,7 +37,6 @@ - (NSString*) modelVersion {
     return modelVersion;
 }
 
-
 - (NSString*) getSerialNr {
     NSString* serialNr;
     io_service_t platformExpert = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("IOPlatformExpertDevice"));
@@ -101,6 +100,7 @@ - (NSDictionary*) deviceProperties {
     devProps[@"cordova"] = [[self class] cordovaVersion];
     devProps[@"serial"] = [self getSerialNr];
     devProps[@"isVirtual"] = @NO;
+    devProps[@"isiOSAppOnMac"]: [self isiOSAppOnMac];
 
     NSDictionary* devReturn = [NSDictionary dictionaryWithDictionary:devProps];
     return devReturn;
@@ -110,4 +110,13 @@ + (NSString*) cordovaVersion {
     return CDV_VERSION;
 }
 
++ (BOOL) isiOSAppOnMac {
+    if (@available(iOS 14.0, *)) {
+        return [NSProcessInfo processInfo].isiOSAppOnMac;
+    } else {
+        // Fallback on earlier versions and platforms
+        return false;
+    }
+}
+
 @end