V3 WIP - "Eastern Front" - QOL 1

Focus Shortcuts Added; United Kingdom, Poland, Netherlands and Soviet Union.
I added it only for the countries where the mod changed the focus trees.

Focus Times Updated With 35 Days. Affected Focuses;
United Kingdom`s Sherman Firefly and Vanguard Focuses.

The problem reported by efhallett has been resolved.
"hey Romanian doesn't allow trade after puppeting/integration fix please"