[TIMOB-19982] iOS: Buttons in a text field: Left button not centered & right button does not show on focus

var win = Ti.UI.createWindow({
    backgroundcolor: 'red'
    });
    
    var leftButton = Titanium.UI.createButton({
        style:Titanium.UI.iPhone.SystemButton.DISCLOSURE
    });
    var rightButton = Titanium.UI.createButton({
        style:Titanium.UI.iPhone.SystemButton.INFO_DARK
    });
    
    leftButton.addEventListener('click',function()
    {
        Titanium.UI.createAlertDialog({
            title:'Text Fields',
            message:'You clicked the left button'
        }).show();
    });
    
    rightButton.addEventListener('click',function()
    {
        Titanium.UI.createAlertDialog({
            title:'Text Fields',
            message:'You clicked the right button'
        }).show();
    });
    
    
    var tf1 = Titanium.UI.createTextField({
        color:'#336699',
        height:35,
        top:100,
        left:10,
        width:250,
        borderStyle:Titanium.UI.INPUT_BORDERSTYLE_ROUNDED,
        leftButton:leftButton,
        rightButton:rightButton,
        leftButtonMode:Titanium.UI.INPUT_BUTTONMODE_ALWAYS,
        rightButtonMode:Titanium.UI.INPUT_BUTTONMODE_ONFOCUS
    });
    
win.add(tf1);
win.open();