Bug: displayOrigin of Zone object is not correct

[rexrainbow]

Demo, see messages in console. Running at phaser 3.11.0

displayOriginX, displayOriginY :

this._displayOriginX = Math.round(this.originX * this.width);
this._displayOriginY = Math.round(this.originY * this.height);

Therefore the value of displayOriginX, displayOriginY should NOT be 0, 0, because that the originX, originY is 0.5, 0.5

[rexrainbow]

Zone object might miss this.setOrigin(0.5, 0.5); in construct function.

Sorry I could not submit a PR because that my previous PR #3781 has not been processed yet.

[photonstorm]

Thank you for submitting this issue. We have fixed this and the fix has been pushed to the master branch. It will be part of the next release. If you get time to build and test it for yourself we would appreciate that.