Broken action for Project View multi-selection in IDEA 2022.3

[Vassiliy-Kudryashov]

Description

PSI_ELEMENT_ARRAY key should be used (it also works in previous IntelliJ API versions)

How to test

Manual tests

Using plugin with IDEA 2022.3 select several files in Project View, press our shourtcut: nothing happens.

Self-check list

Check off the item if the statement is true. Hint: [x] is a marked item.

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• I've set the proper labels for my PR (at least, for category and component).
• PR title and description are clear and intelligible.
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• The functionality I've repaired, changed or added is covered with automated tests.
• Manual tests have been provided optionally.
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