Refactored boolean advanced indexing host tasks

[ndgrigorian]

Using multiple host_tasks when copying metadata to device has shown to cause crashes on CPU.
This PR addresses the issue by reducing the number of calls to device_allocate_and_pack.

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[coveralls]

Coverage: 83.322%. Remained the same when pulling 7a62edb on refactor-host-tasks into 1320d39 on master.

[github-actions]

View rendered docs @ https://intelpython.github.io/dpctl/pulls/1207/index.html

[github-actions]

Array API standard conformance tests for dpctl=0.14.3dev1=py310h76be34b_50 ran successfully.
Passed: 153
Failed: 847
Skipped: 116

[github-actions]

Array API standard conformance tests for dpctl=0.14.3dev1=py310h76be34b_51 ran successfully.
Passed: 153
Failed: 847
Skipped: 116

[github-actions]

Array API standard conformance tests for dpctl=0.14.3dev1=py310h76be34b_52 ran successfully.
Passed: 153
Failed: 847
Skipped: 116

[github-actions]

Deleted rendered PR docs from intelpython.github.com/dpctl, latest should be updated shortly. 🤞

[github-actions]

Array API standard conformance tests for dpctl=0.14.3dev1=py310h76be34b_52 ran successfully.
Passed: 153
Failed: 847
Skipped: 116