Image metadata stripping should be disable-able

### Your use case

#### What would you like to do?
I need to send photos with the geotag preserved
#### How would you like to achieve it?
Ideally, a switch to enable or disable metadata stripping when uploading an image.

### Additional context

see also: https://github.com/vector-im/element-android/issues/3539#issuecomment-1140045291

### Are you willing to provide a PR?

I'll try