[GR-18163] Fix IO.copy_stream with a Tempfile destination #4034

Job	Run time
lint	24m 10s
build jvm	12m 50s
build native	34m 34s
ruby/spec on CRuby 3.0	4m 23s
ruby/spec on CRuby 3.1	3m 59s
ruby/spec on CRuby 3.2	3m 26s
fast specs	3m 7s
specs :truffle	13m 58s
test integration	15m 28s
specs :language :core	20m 7s
specs :library :cext :security :command_line :tracepoint	13m 59s
run MRI tests on native	26m 6s
test native	3m 15s
	2h 59m 22s

Provide feedback