[Bug] [Lynxchan] [vichan] dE doesn't load your own post after posting

[UserNaem]

Describe your bug
dE doesn't immediately load your own post after sending it, presumably due to the delay between dE receiving a "post success" response and the post actually being added to the thread.
I also get this bug on a private tinyboard+vichan board, it happens about half the time, presumably due to server performance fluctuations; on this public Lynxchan board it seems to happen all the time

Browser and Dollchan Description

1. Specify your browser and its version [for example, Firefox 64.0 (64-bit)]

Waterfox 56.2.14 64bit, Firefox Nightly 71.0a1 64bit

2. Specify the version of your Dollchan

v19.8.28.0.308148b, v19.8.28.0.308148b.es6

3. What do you use: chrome extension or userscript?

Userscript

4. If you are using a userscript, specify your script manager [for example, Violentmonkey 2.10.0]

Greasemonkey 3.11, Violentmonkey 2.11.2

Steps to reproduce the bug behavior

1. Go to https://endchan.net/test/res/3532.html
2. Open the reply form, type something, solve CAPTCHA
3. Press "Reply"
   Expected result:
   Post is sent and then loaded in
   Actual result:
   Post is sent but you need to refresh manually to see it, or wait for next auto-update (this will also trigger a new post notification even though notifications for own posts should be suppressed)