Feature/set drawer enabled ios (#1347)

* setDrawerEnabled with params side and enabled

* Tweak docs, small RCCDrawerController fix

* Correct indents

* Correct indents

docs/screen-api.md

 });
 ```
 
-## setDrawerEnabled(params = {}) (Android only)
+## setDrawerEnabled(params = {})
 
 Enables or disables the side menu drawer assuming you have one in your app. Both drawers are enabled by default.
 

ios/RCCDrawerController/RCCDrawerController.m

 
 @synthesize drawerStyle = _drawerStyle;
 
+UIViewController *leftViewController = nil;
+UIViewController *rightViewController = nil;
+
 -(UIInterfaceOrientationMask)supportedInterfaceOrientations {
     return [self supportedControllerOrientations];
 }
         
         return;
     }
-    
+
+    // setDrawerEnabled
+    if ([performAction isEqualToString:@"setDrawerEnabled"])
+    {
+        bool enabled = [actionParams[@"enabled"] boolValue];
+        if ([actionParams[@"side"] isEqualToString:@"left"]) {
+            [super setLeftDrawerViewController: enabled ? rightViewController : nil];
+        } else if ([actionParams[@"side"] isEqualToString:@"right"]) {
+            [super setRightDrawerViewController: enabled ? rightViewController : nil];
+        }
+    }
+
     // toggle
     if ([performAction isEqualToString:@"toggle"])
     {

src/deprecated/controllers/index.js

       popToRoot: function (params) {
         RCCManager.NavigationControllerIOS(id, "popToRoot", params);
       },
+      setDrawerEnabled: function (params) {
+        RCCManager.DrawerControllerIOS(id, "setDrawerEnabled", params);
+      },
       setTitle: function (params) {
         if (params['style']) {
           params['style'] = Object.assign({}, params['style']);

src/deprecated/platformSpecificDeprecated.ios.js

   });
 }
 
+function navigatorSetDrawerEnabled(navigator, params) {
+    const controllerID = navigator.navigatorID.split('_')[0];
+    Controllers.NavigationControllerIOS(controllerID + '_drawer').setDrawerEnabled(params)
+}
+
 function navigatorSetTitle(navigator, params) {
   Controllers.NavigationControllerIOS(navigator.navigatorID).setTitle({
     title: params.title,
   showInAppNotification,
   dismissInAppNotification,
   navigatorSetButtons,
+  navigatorSetDrawerEnabled,
   navigatorSetTitle,
   navigatorSetSubtitle,
   navigatorSetStyle,