fixed race conditions when starting app

packages/web/src/utility/appLoadManager.ts

@@ -0,0 +1,22 @@
+let appIsLoaded = false;
+let onLoad = [];
+
+export function setAppLoaded() {
+  appIsLoaded = true;
+  for (const func of onLoad) {
+    func();
+  }
+  onLoad = [];
+}
+
+export function getAppLoaded() {
+  return appIsLoaded;
+}
+
+export function callWhenAppLoaded(callback) {
+  if (appIsLoaded) {
+    callback();
+  } else {
+    onLoad.push(callback);
+  }
+}