Fullwidth Report Builder


I need full width report builder by default for specific report,

whenever someone goes to the report, sidebar should be hidden, and auto visible when we leave report page.

Current :

Required :

I am on version 11, but want as same as it was on version 10.

Yes that should be by default, but no way to configure it without changing source

Yes i am looking for somebody to help me for changing the source. or any other way.