* Editorconfig: Add space_before_self_closing setting
This was a difference between the way dotnet-format and Rider format code. See https://www.jetbrains.com/help/rider/EditorConfig_Index.html
* Editorconfig: Keep 4 spaces indentation for Swagger JSON files
They are all formatted that way, let's keep it like that.
* Apply dotnet-format, mostly white-space related changes
* Wallet transactions export
The exported data needs some more work.
* Fix transactions export policy
* Add test cases
* Fix Selenium warnings
* Finalize export format
* Test export download
* Remove CSV download check
* Try to fix test