[AC-5842] Query custom objects field with $text and $search

where = { "message" : { "$text" : { "$search" : "keyword" } } }

{ "$text": { "$search": <string> }} 

where={"$text": { "$search": "javascript,ruby,python,-php" }}

//QUERY THE FIELD MESSAGE OF THE PREVIOUSLY CREATED CUSTOM OBJ
function doSearch(e) {
	
Cloud.Objects.query({
    classname: 'report',
    page: 1,
    per_page: 10,
    where: {
    //WORKING QUERIES (give the expected result)
    	 //"message" : "abc aaa bbb ccc"
    	 //"message" : { "$regex": "^" + "abc"} 
    //NOT WORKING (Gives 500 error)
         "message" : { "$text" : {"$search" : "abc"} }
    }
	}, function (e) {
	    if (e.success) {
	        for (var i = 0; i < e.report.length; i++) {
	            var report = e.report[i];
	            Ti.API.info("report: "+JSON.stringify(report,null,2));
	        }
	    } else {
	       Ti.API.info('Error:\n' + JSON.stringify(e,null,2)); 
	    }
	});
}

//CREATE A CUSTOM OBJECT (to have an object to query )
function doCreate(e) {
	
Cloud.Objects.create({
    classname: 'report',
    fields: {
        message: 'abc aaa bbb ccc',
    }
	}, function (e) {
	    if (e.success) {
	    	
	        var report = e.report[0];
	        Ti.API.info("report: "+JSON.stringify(report,null,2));
	    } else {
	        alert('Error:\n' +
	            ((e.error && e.message) || JSON.stringify(e)));
	    }
	});
	
}