rename setVisualLevel to setAlertLevel

* Swift automatically renamed setAlertLevel to just `setAlert` so must refine name for swift.

Author: nan-li

iOS_SDK/OneSignalDevApp/OneSignalDevApp/AppDelegate.m

@@ -51,7 +51,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 
     NSLog(@"Bundle URL: %@", [[NSBundle mainBundle] bundleURL]);
     [OneSignal.Debug setLogLevel:ONE_S_LL_VERBOSE];
-    [OneSignal.Debug setVisualLevel:ONE_S_LL_NONE];
+    [OneSignal.Debug setAlertLevel:ONE_S_LL_NONE];
 
     [OneSignal initialize:[AppDelegate getOneSignalAppId] withLaunchOptions:launchOptions];
 

iOS_SDK/OneSignalDevApp/OneSignalDevAppClip/AppDelegate.m

@@ -52,7 +52,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     NSLog(@"Bundle URL: %@", [[NSBundle mainBundle] bundleURL]);
 
     [OneSignal.Debug setLogLevel:ONE_S_LL_VERBOSE];
-    [OneSignal.Debug setVisualLevel:ONE_S_LL_NONE];
+    [OneSignal.Debug setAlertLevel:ONE_S_LL_NONE];
     _notificationDelegate = [OneSignalNotificationCenterDelegate new];
 
     id openNotificationHandler = ^(OSNotificationOpenedResult *result) {

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalLog.h

@@ -38,12 +38,12 @@ typedef NS_ENUM(NSUInteger, ONE_S_LOG_LEVEL) {
 
 @protocol OSDebug <NSObject>
 + (void)setLogLevel:(ONE_S_LOG_LEVEL)logLevel;
-+ (void)setVisualLevel:(ONE_S_LOG_LEVEL)visualLogLevel;
++ (void)setAlertLevel:(ONE_S_LOG_LEVEL)logLevel NS_REFINED_FOR_SWIFT;
 @end
 
 @interface OneSignalLog : NSObject<OSDebug>
 + (Class<OSDebug>)Debug;
 + (void)setLogLevel:(ONE_S_LOG_LEVEL)logLevel;
-+ (void)setVisualLevel:(ONE_S_LOG_LEVEL)visualLogLevel;
++ (void)setAlertLevel:(ONE_S_LOG_LEVEL)logLevel;
 + (void)onesignalLog:(ONE_S_LOG_LEVEL)logLevel message:(NSString* _Nonnull)message;
 @end

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OneSignalLog.m

@@ -32,7 +32,7 @@
 @implementation OneSignalLog
 
 static ONE_S_LOG_LEVEL _nsLogLevel = ONE_S_LL_WARN;
-static ONE_S_LOG_LEVEL _visualLogLevel = ONE_S_LL_NONE;
+static ONE_S_LOG_LEVEL _alertLogLevel = ONE_S_LL_NONE;
 
 + (Class<OSDebug>)Debug {
     return self;
@@ -42,8 +42,8 @@ + (void)setLogLevel:(ONE_S_LOG_LEVEL)nsLogLevel {
     _nsLogLevel = nsLogLevel;
 }
 
-+ (void)setVisualLevel:(ONE_S_LOG_LEVEL)visualLogLevel {
-    _visualLogLevel = visualLogLevel;
++ (void)setAlertLevel:(ONE_S_LOG_LEVEL)logLevel {
+    _alertLogLevel = logLevel;
 }
 
 + (void)onesignalLog:(ONE_S_LOG_LEVEL)logLevel message:(NSString* _Nonnull)message {
@@ -79,7 +79,7 @@ void onesignal_Log(ONE_S_LOG_LEVEL logLevel, NSString* message) {
     if (logLevel <= _nsLogLevel)
         NSLog(@"%@", [levelString stringByAppendingString:message]);
 
-    if (logLevel <= _visualLogLevel) {
+    if (logLevel <= _alertLogLevel) {
         [[OSDialogInstanceManager sharedInstance] presentDialogWithTitle:levelString withMessage:message withActions:nil cancelTitle:NSLocalizedString(@"Close", @"Close button") withActionCompletion:nil];
     }
 }

iOS_SDK/OneSignalSDK/Source/OneSignalSwiftInterface.swift

@@ -75,6 +75,12 @@ public extension OneSignal {
     }
 }
 
+public extension OSDebug {
+    static func setAlertLevel(_ logLevel: ONE_S_LOG_LEVEL) {
+        __setAlert(logLevel)
+    }
+}
+
 public extension OSInAppMessages {
     static var Paused: Bool {
         get {