Override EntityEditorCallback method for People Editor

PreCallbackClientScript.js

//Override EntityEditorCallback method  
var EntityEditorCallback = (function () {
    var EntityEditorCallbackOrig = EntityEditorCallback;

    return function() {
        var result = arguments[0];
        var ctx = arguments[1];
        if(typeof PreCallbackClientScript != 'undefined') 
            PreCallbackClientScript(result, ctx);
        EntityEditorCallbackOrig(result, ctx);
    };

})();