Fix hover node (#66)

* Fix hover node

Fix node hover breaking when hoverConnectedEdges = false

* Add edit cluster edge

Add a method for editing cluster edge options

* Fix spelling mistake

* Actually change cluster edge options

setOptions doesn't work for cluster edges? used utils.extend to set options

* Remove updateClusterEdge

Don't actually need this

* yarn format

lib/network/modules/SelectionHandler.js

@@ -657,8 +657,12 @@ class SelectionHandler {
         object instanceof Edge &&
         hoveredEdgesCount === 0 &&
         hoveredNodesCount === 0
+      const newOnlyHoveredNode =
+        object instanceof Node &&
+        hoveredEdgesCount === 0 &&
+        hoveredNodesCount === 0
 
-      if (hoverChanged || newOnlyHoveredEdge) {
+      if (hoverChanged || newOnlyHoveredEdge || newOnlyHoveredNode) {
         hoverChanged = this.emitHoverEvent(event, pointer, object)
       }