Update flash update export pdf file

[susilnem]

Addresses

• Remove empty information fields for Flash Update Export and make image bigger or clickable go-web-app#1482

Changes

• Add change in flash update pdf
• Change image size

Checklist

Things that should succeed before merging.

• Updated/ran unit tests
• Updated CHANGELOG.md

Release

If there is a version update, make sure to tag the repository with the latest version.

[szabozoltan69]

Is that "# Don't use this in production" comment valid?

[susilnem]

Is that "# Don't use this in production" comment valid?

@szabozoltan69
In production and staging it should point to the FullURL.
But for local it's hard to debug.

We are using hard-coded values for http and https in most cases. We need to refactor this.