Fix res:// on iOS
Fix res:// on iOS

katzer/cordova-plugin-email-composer,Cube4Dev/cordova-plugin-email-composer,lukaslisowski/cordova-plugin-email-composer,Telerik-Verified-Plugins/EmailComposer,Telerik-Verified-Plugins/EmailComposer,hypery2k/cordova-email-plugin,hypery2k/cordova-email-plugin,loic/cordova-plugin-email-composer,katzer/cordova-plugin-email-composer,Cube4Dev/cordova-plugin-email-composer,lukaslisowski/cordova-plugin-email-composer,loic/cordova-plugin-email-composer,hypery2k/cordova-email-plugin