x.json2: remove workaround_cast(), add isize usize decode support#26210

spytheman merged 1 commit intovlang:mastervlang/v:masterfrom

kbkpbot:fix-json2-workaround-add-isize-usizekbkpbot/v:fix-json2-workaround-add-isize-usizeCopy head branch name to clipboard