SVG images should not render as code

Versions and device

• PocketHub 0.5.1
• Android 9
• MI9

Steps to Reproduce

1.Open a .svg file in PocketHub For example: https://github.com/Abies-sand/Test/blob/master/filter.svg

Actual behaviour

The .svg file renders as code

Expected behaviour

The .svg file renders as an image, like the way it shows on the Github webpage