Preserve shape of psuedoscalars in arithmetic ops.

[mzient]

Signed-off-by: Michał Zientkiewicz mzient@gmail.com

Why we need this PR?

Pick one, remove the rest

• It fixes a bug: psuedoscalars "magically" converted to true scalars

What happened in this PR?

Fill relevant points, put NA otherwise. Replace anything inside []

• What solution was applied:
  • Go through all inputs and choose either the shape of the non-scalar or highest dimensionality pseudoscalar
• Affected modules and functionalities:
  • Arithmetic ops
• Key points relevant for the review:
  • N/A
• Validation and testing:
  • Added a test that checks that the psudoscalar shape i preserved
• Documentation (including examples):
  • N/A

JIRA TASK: N/A

[mzient]

!build

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CI MESSAGE: [1701148]: BUILD PASSED