Update dpnp.extract to avoid violation of compute-follows-data

[vtavana]

In this PR, dpnp.extract implementation is updated to avoid violation of compute-follows-data when both input are dpnp_array.

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[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/index.html

[antonwolfy]

Good catch! Thank you @vtavana for resolving that.