[gnome-maps/wip/mlundblad/fix-toggle-layer] shaoeLayer: Fix hiding/showing shape layer

[Marcus Lundblad <mlundblad src gnome org>]

commit fd9f6f0ac68820e91e17b1d7889334a003a7d8eb
Author: Marcus Lundblad <ml dfupdate se>
Date:   Sat Aug 27 21:49:09 2022 +0200

    shaoeLayer: Fix hiding/showing shape layer

 src/shapeLayer.js | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)
---
diff --git a/src/shapeLayer.js b/src/shapeLayer.js
index 3967fca1..1cb798ce 100644
--- a/src/shapeLayer.js
+++ b/src/shapeLayer.js
@@ -70,13 +70,8 @@ export class ShapeLayer extends GObject.Object {
     }
 
     set visible(v) {
-        if (v && !this._visible) {
-            this._overlayLayer.visible = true;
-            this._markerLayer.show_all_markers();
-        } else if (!v && this._visible) {
-            this._overlayLayer.visible = false;
-            this._markerLayer.hide_all_markers();
-        }
+        this._overlayLayer.visible = v;
+        this._markerLayer.visible = v;
         this._visible = v;
     }