[TIMOB-24142] iOS: Custom Ti.Facebook entitlements-file overrides CLI-generated entitlements

   var fb = require('facebook');
   fb.initialize();
   fb.permissions = ['email'];
   
   var win = Ti.UI.createWindow({
       backgroundColor: "#fff"
   });
   
   var btn = Ti.UI.createButton({
       title: "Trigger login"
   });
   
   fb.addEventListener("logout", function(e) {
       Ti.API.info("Logged out!");
       Ti.API.info(e);
   });
   
   fb.addEventListener("login", function(e) {
       Ti.API.info("Logged in!");
       Ti.API.info(e);
   
       if (e.success) {
           alert("Logged In!");    
       }
   })
   
   btn.addEventListener("click", function() {
       fb.logout();
       fb.authorize();
   });
   
   win.add(btn);
   win.open();
   

   'use strict';
   
   exports.id = 'com.appcelerator.facebook';
   
   exports.cliVersion = '>=3.2';
   
   exports.init = function init(logger, config, cli, appc) {
   	cli.on('build.ios.writeEntitlements', {
   		pre: function (data, finished) {
   			var applicationIdentifier = '$(AppIdentifierPrefix)' + this.tiapp.id;
   			var plist = data.args[0];
   
   			Array.isArray(plist['keychain-access-groups']) || (plist['keychain-access-groups'] = []);
   			if (!plist['keychain-access-groups'].some(function (id) { return id === applicationIdentifier; })) {
   				plist['keychain-access-groups'].push(applicationIdentifier);
   			}
   
   			finished();
   		}
   	});
   };
   

    if (this.previousBuildManifest.files) {
    	var rel = path.relative(this.buildDir, dest);
    	['ios', 'iphone'].forEach(function (dir) {
    		var file = path.join(this.projectDir, 'platform', dir, rel);
    		if (fs.existsSync(path.join(this.projectDir, file))) {
    			delete this.previousBuildManifest.files[file];
    		}
    	});
    }