vendor update

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/LICENSE

@@ -1,6 +1,14 @@
-The MIT License (MIT)
+v4+ Copyright (c) 2021 Alain Dumesny
+under MIT license
+
+previous v3.x and older is:
+/**
+ * https://gridstackjs.com/
+ * (c) 2014-2020 Alain Dumesny, Dylan Weiss, Pavel Reznikov
+ * gridstack.js may be freely distributed under the MIT license.
+*/
 
-Copyright (c) 2014-2020  Alain Dumesny, Dylan Weiss, Pavel Reznikov
+The MIT License (MIT)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-dd.d.ts

@@ -1,5 +1,5 @@
 /**
- * gridstack-dd.ts 4.2.5
+ * gridstack-dd.ts 4.2.6
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 import { GridStackDDI } from './gridstack-ddi';

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-ddi.d.ts

@@ -1,5 +1,5 @@
 /**
- * gridstack-ddi.ts 4.2.5
+ * gridstack-ddi.ts 4.2.6
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 import { GridItemHTMLElement } from './types';

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-engine.d.ts

@@ -1,5 +1,5 @@
 /**
- * gridstack-engine.ts 4.2.5
+ * gridstack-engine.ts 4.2.6
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 import { GridStackNode, GridStackPosition, GridStackMoveOpts } from './types';
@@ -43,8 +43,9 @@ export declare class GridStackEngine {
     /** re-layout grid items to reclaim any empty space */
     compact(): GridStackEngine;
     /** enable/disable floating widgets (default: `false`) See [example](http://gridstackjs.com/demo/float.html) */
+    set float(val: boolean);
     /** float getter method */
-    float: boolean;
+    get float(): boolean;
     /**
      * given a random node, makes sure it's coordinates/values are valid in the current grid
      * @param node to adjust
@@ -71,7 +72,7 @@ export declare class GridStackEngine {
     getRow(): number;
     beginUpdate(node: GridStackNode): GridStackEngine;
     endUpdate(): GridStackEngine;
-    /** saves the current layout returning a list of widgets for serialization */
+    /** saves a copy of the current layout returning a list of widgets for serialization */
     save(saveElement?: boolean): GridStackNode[];
     /**
      * call to cache the given layout internally to the given location so we can restore back when column changes size

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-h5.d.ts

@@ -1,5 +1,5 @@
 /**
- * index-h5.ts 4.2.5 - everything you need for a Grid that uses HTML5 native drag&drop
+ * index-h5.ts 4.2.6 - everything you need for a Grid that uses HTML5 native drag&drop
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 export * from './types';

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-h5.js.LICENSE.txt

@@ -1,5 +1,5 @@
 /*!
- * GridStack 4.2.5
+ * GridStack 4.2.6
  * https://gridstackjs.com/
  *
  * Copyright (c) 2021 Alain Dumesny

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-jq.d.ts

@@ -1,5 +1,5 @@
 /**
- * index-jq.ts 4.2.5 - everything you need for a Grid that uses Jquery-ui drag&drop (original, full feature)
+ * index-jq.ts 4.2.6 - everything you need for a Grid that uses Jquery-ui drag&drop (original, full feature)
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 export * from './types';

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-jq.js.LICENSE.txt

@@ -1,5 +1,5 @@
 /*!
- * GridStack 4.2.5
+ * GridStack 4.2.6
  * https://gridstackjs.com/
  *
  * Copyright (c) 2021 Alain Dumesny

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-poly.js

@@ -1,5 +1,5 @@
 /**
- * gridstack-poly.ts 4.2.5 - used for older browser support (not currently supported in v2+)
+ * gridstack-poly.ts 4.2.6 - used for older browser support (not currently supported in v2+)
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-static.d.ts

@@ -1,5 +1,5 @@
 /**
- * index-static.ts 4.2.5 - much smaller, everything you need for a static Grid (non draggable, API driven)
+ * index-static.ts 4.2.6 - much smaller, everything you need for a static Grid (non draggable, API driven)
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 export * from './types';

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack-static.js.LICENSE.txt

@@ -1,5 +1,5 @@
 /*!
- * GridStack 4.2.5
+ * GridStack 4.2.6
  * https://gridstackjs.com/
  *
  * Copyright (c) 2021 Alain Dumesny

public/overrides/zikulacontentmodule/js/vendor/gridstack.js/gridstack.css

@@ -1,5 +1,5 @@
 /**
- * gridstack SASS styles 4.2.5
+ * gridstack SASS styles 4.2.6
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 :root .grid-stack-item > .ui-resizable-handle {