Quaternion: Add default parameter to setFromEuler(). (#27364)

Author: Mugen87

src/math/Quaternion.js

@@ -198,7 +198,7 @@ class Quaternion {
 
 	}
 
-	setFromEuler( euler, update ) {
+	setFromEuler( euler, update = true ) {
 
 		const x = euler._x, y = euler._y, z = euler._z, order = euler._order;
 
@@ -266,7 +266,7 @@ class Quaternion {
 
 		}
 
-		if ( update !== false ) this._onChangeCallback();
+		if ( update === true ) this._onChangeCallback();
 
 		return this;