Back and Clear Buttons Do Nothing on Post Edit Screen

Expected Behavior

The Left Arrow in the upper left and the Clear button in lower right are functional on the Post Edit screen.

Actual Behavior

The Left Arrow in upper left and Clear button in lower right do nothing on the Post Edit screen.

How to Reproduce

1. Launch eSteem 1.5.1 on Android 8.1.0
2. Open a Post the active account created
3. Scroll to the bottom before the Comment section
4. Tap the Pad & Pencil icon
5. Tap Left Arrow in upper left
6. Tap Clear button in lower right

Device: Pixel 2 XL
OS: Android 8.1.0
App Version: 1.5.1

Recording of the Bug