[nostalgia/core/studio] Fix tile insert to correct input when inserting past the last tile

build

Success

Set up job1s
Check out repository code3s
make purge configure-debug4s
make build51s
make test9s
make purge configure-asan4s
make build51s
make test1s
make purge configure-release4s
make build1m1s
make test1s
Complete job1s