Fix crash when calling setPose service on static and nolink entity (#… #119

Job	Run time
test / matrix-prep-bazelversion	8s
test / matrix-prep-os	2s
test / test (ubuntu-latest, 7.3.1, ., true)	52m 31s
test / test (ubuntu-latest, 8.0.0, ., true)	50m 1s
	1h 42m 42s

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