oms/src/App.vue

<template>
  <div id="app">
    <router-view />
    <theme-picker />
  </div>
</template>

<script>
import ThemePicker from "@/components/ThemePicker";

export default  {
  name: "App",
  components: { ThemePicker },
  metaInfo() {
    return {
      title: this.$store.state.settings.dynamicTitle && this.$store.state.settings.title,
      titleTemplate: title => {
        return title ? `${title} - ${process.env.VUE_APP_TITLE}` : process.env.VUE_APP_TITLE
      }
    }
  },
  mounted(){
    const debounce = (fn, delay) => {
      let timer = null;
      return  () => {
        let context = this;
        let args = arguments;
        clearTimeout(timer);
        timer = setTimeout(function () {
          fn.apply(context, args);
        }, delay);
      }
    }

    const _ResizeObserver = window.ResizeObserver;
    window.ResizeObserver = class ResizeObserver extends _ResizeObserver{
      constructor(callback) {
        callback = debounce(callback, 16);
        super(callback);
      }
    }
  }
};
</script>
<style scoped>
#app .theme-picker {
  display: none;
}
</style>