CB-13659 (iOS) Add hidespinner option

Signed-off-by: Niklas Merz <NiklasMerz@gmx.net>

src/ios/CDVInAppBrowser.m

@@ -887,7 +887,10 @@
     self.backButton.enabled = theWebView.canGoBack;
     self.forwardButton.enabled = theWebView.canGoForward;
 
-    [self.spinner startAnimating];
+    NSLog(_browserOptions.hidespinner ? @"Yes" : @"No");
+    if(!_browserOptions.hidespinner) {
+        [self.spinner startAnimating];
+    }
 
     return [self.navigationDelegate webViewDidStartLoad:theWebView];
 }
@@ -987,6 +990,7 @@
         self.toolbarposition = kInAppBrowserToolbarBarPositionBottom;
         self.clearcache = NO;
         self.clearsessioncache = NO;
+        self.hidespinner = NO;
 
         self.enableviewportscale = NO;
         self.mediaplaybackrequiresuseraction = NO;
@@ -1104,4 +1108,3 @@
 
 
 @end
-