feat: read input synchronously when running MediaPipeVideoGraph #784

Job	Run time
check-test-trigger	1s
run-tests-on-linux / build	20s
run-tests-on-macos / build	30s
run-tests-on-windows / build	27s
run-tests-on-linux / test (ubuntu-24.04, 6000.0.33f1)	3m 22s
run-tests-on-linux / test (ubuntu-24.04, 2022.3.55f1)	3m 33s
run-tests-on-macos / test (macos-13, 6000.0.33f1, 433b0a79340b)	6m 18s
run-tests-on-macos / test (macos-13, 2022.3.55f1, 9f374180d209)	6m 15s
run-tests-on-windows / test (windows-2019, 6000.0.33f1, 433b0a79340b)	15m 8s
run-tests-on-windows / test (windows-2019, 2022.3.55f1, 9f374180d209)	13m 18s
run-tests-on-linux / post-test	2s
run-tests-on-macos / post-test	2s
run-tests-on-windows / post-test	3s
	49m 19s

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