Fix ios connection issue

Summary:
getTargetDeviceId is now being called directly from within server.tsx.
Since it's exported anyway, it should always sanitize its input.
Changed the ios method to sanitize the CSR in the same way that the android one does.

Reviewed By: cekkaewnumchai

Differential Revision: D19663992

fbshipit-source-id: 77662542b3a8767ecdd4e984a8e2d990761a9815

src/utils/CertificateProvider.tsx

@@ -407,7 +407,7 @@ export default class CertificateProvider {
             );
           });
       })
-      .then(csrFromDevice => csrFromDevice === csr);
+      .then(csrFromDevice => csrFromDevice === this.santitizeString(csr));
   }
 
   santitizeString(csrString: string): string {