Fixed this return types for Phaser.GameObjects.Particles.Zones.EdgeZone

Author: JasonHK

src/gameobjects/particles/zones/EdgeZone.js

@@ -131,7 +131,7 @@ var EdgeZone = new Class({
      * @method Phaser.GameObjects.Particles.Zones.EdgeZone#updateSource
      * @since 3.0.0
      *
-     * @return {Phaser.GameObjects.Particles.Zones.EdgeZone} This Edge Zone.
+     * @return {this} This Edge Zone.
      */
     updateSource: function ()
     {
@@ -170,7 +170,7 @@ var EdgeZone = new Class({
      *
      * @param {Phaser.Types.GameObjects.Particles.EdgeZoneSource} source - An object instance with a `getPoints(quantity, stepRate)` method returning an array of points.
      *
-     * @return {Phaser.GameObjects.Particles.Zones.EdgeZone} This Edge Zone.
+     * @return {this} This Edge Zone.
      */
     changeSource: function (source)
     {

types/phaser.d.ts

@@ -21000,13 +21000,13 @@ declare namespace Phaser {
                      * 
                      * Also updates internal properties.
                      */
-                    updateSource(): Phaser.GameObjects.Particles.Zones.EdgeZone;
+                    updateSource(): this;
 
                     /**
                      * Change the source of the EdgeZone.
                      * @param source An object instance with a `getPoints(quantity, stepRate)` method returning an array of points.
                      */
-                    changeSource(source: Phaser.Types.GameObjects.Particles.EdgeZoneSource): Phaser.GameObjects.Particles.Zones.EdgeZone;
+                    changeSource(source: Phaser.Types.GameObjects.Particles.EdgeZoneSource): this;
 
                     /**
                      * Get the next point in the Zone and set its coordinates on the given Particle.