The "Insert template" section isn't available in the note menu when the page width is reduced to <768px

### Is this a hackmd.io issue?

- [x] Yes, the bug happens on https://hackmd.io
- [ ] No. If it's a self-hosted CodiMD instance, please fire up the issue in the repo of CodiMD: https://github.com/hackmdio/codimd

### What's the problem

Refer the clip in the [Current behaviour](#current-behaviour) section for more info:

#### Current behaviour

A short clip(1.1MiB) is recorded to demonstrate the behavior of the bug:


Provide steps to reproduce:

1. Create a new note
1. Shrink the webpage width to <768px
1. Locate the "Insert template" section in the note menu

#### Expected behaviour

The "Insert template" section should still be available in the note menu when the webpage width is <768px

#### Environment

I use HackMD on:

**Desktop**
- OS: Ubuntu 23.10 AMD64
- Browser: Firefox
- Browser Version: 120.0.1