When selling a position the page suddenly starts going up and down

**Description:**
When selling a position the page suddenly starts going up and down, after accepting the notification the "order position section" shows the image intermittent.

**Pre-conditions:**
Making a conditional prediction before the sell.

**Steps to reproduce:**
1. Click on the sell button placed next to a previous position
2. Accept the metamask notification
3. Observe.

**Enviorment:**
Browser: Google Chrome
Wallet: Metamask
Computer: Dell Vostro 5100 14 inches

**Capture:**
https://drive.google.com/open?id=1SoBa9UBbZCtyN6M5y1tZ0sI1fYtCu1a3