Fix button action drawer not saving and crashing

packages/builder/src/components/design/PropertiesPanel/PropertyControls/EventsEditor/EventEditor.svelte

@@ -13,13 +13,12 @@
 
   const EVENT_TYPE_KEY = "##eventHandlerType"
 
-  export let event
+  export let actions
 
   let addActionButton
   let addActionDropdown
   let selectedAction
 
-  $: actions = event || []
   $: selectedActionComponent =
     selectedAction &&
     actionTypes.find(t => t.name === selectedAction[EVENT_TYPE_KEY]).component

packages/builder/src/components/design/PropertiesPanel/PropertyControls/EventsEditor/EventPropertyControl.svelte

@@ -7,7 +7,7 @@
 
   const dispatch = createEventDispatcher()
 
-  export let value
+  export let value []
   export let name
 
   let drawer
@@ -63,6 +63,6 @@
     <Button thin blue on:click={saveEventData}>Save</Button>
   </heading>
   <div slot="body">
-    <EventEditor event={value} eventType={name} />
+    <EventEditor bind:actions={value} eventType={name} />
   </div>
 </Drawer>