cant post or upload files on zeronet

### Step 1: Please describe your environment

* ZeroNet version: 0.7.1
* Operating system: Windows 10
* Web browser: Chrime
* Tor status: always
* Opened port: yes
* Special configuration: none

### Step 2: Describe the problem:
cant post stuff
#### Steps to reproduce:

1. try making a post
2. get nothing

#### Observed Results:

its just not showing

#### Expected Results:

let me post stuff and upload files

No source files, tests, or entry points are named. First reproduce the missing post and file-upload behavior using ZeroNet 0.7.1 on Windows 10 in the reported browser, then trace the affected posting flow and identify a concrete failure. Done means posts appear and file uploads work, with a regression test if the project provides one.

索引モデルが issue の本文から書いたものです。