refactor(core): emit pane ready after timeout of 1ms

packages/core/src/store/actions.ts

@@ -209,6 +209,12 @@ export function useActions(
       return res
     }, [])
 
+    if (!state.fitViewOnInitDone && state.fitViewOnInit) {
+      viewportHelper.value.fitView()
+    }
+
+    state.fitViewOnInitDone = true
+
     if (changes.length) {
       state.hooks.nodesChange.trigger(changes)
     }
@@ -964,10 +970,7 @@ export function useActions(
   until(() => viewportHelper.value.initialized)
     .toBe(true)
     .then(async () => {
-      if (state.fitViewOnInit) {
+      setTimeout(() => {
-        await viewportHelper.value.fitView()
-      }
-
         state.hooks.paneReady.trigger({
           id,
           emits,
@@ -977,6 +980,7 @@ export function useActions(
           ...getters,
           ...actions,
         })
+      }, 1)
     })
 
   return actions