set visibility instead of display

Author: jogibear9988

lib/es5/dock-spawn-ts.js

@@ -1,6 +1,6 @@
 {
   "name": "dock-spawn-ts",
-  "version": "3.9.0",
+  "version": "3.10.0",
   "description": "DockSpawn Typescript Version",
   "license": "MIT",
   "author": "[email protected]",

lib/js/PanelContainer.js

@@ -491,7 +491,7 @@ export class PanelContainer implements IDockContainerWithSize {
     }
 
     setVisible(isVisible: boolean) {
-        this.elementContentContainer.style.display = isVisible ? 'block' : 'none';
+        this.elementContentContainer.style.visibility = isVisible ? 'visible' : 'hidden';
     }
 
     setTitle(title: string) {