Fixing "camera popup" always display on resize

This fixes a bug where the "camera popup" window was always displayed when the screen was resized.

front/src/Phaser/Menu/HelpCameraSettingsScene.ts

@@ -109,6 +109,7 @@ export class HelpCameraSettingsScene extends DirtyScene {
 
     public onResize(ev: UIEvent): void {
         super.onResize(ev);
+        if (this.helpCameraSettingsOpened) {
             const middleX = this.getMiddleX();
             const middleY = this.getMiddleY();
             this.tweens.add({
@@ -118,6 +119,8 @@ export class HelpCameraSettingsScene extends DirtyScene {
                 duration: 1000,
                 ease: 'Power3'
             });
+            this.dirty = true;
+        }
     }
 
     private getMiddleX() : number{