Avoid exception in Target.has_calibration for instruction without properties (backport #12526)

[mergify]

Summary

Avoid exception in Target.has_calibration for instruction without properties

Details and comments

Target.add_instruction allows passing None in place of an InstructionProperties instance. In this case, there will be no _calibration attribute, so the getattr call properties needs to provide a default value, as done in this change.

Closes #12525

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This is an automatic backport of pull request #12526 done by [Mergify](https://mergify.com).

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[coveralls]

Pull Request Test Coverage Report for Build 9410065617

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• 18 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.006%) to 89.619%

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Files with Coverage Reduction	New Missed Lines	%
crates/qasm2/src/expr.rs	1	94.02%
qiskit/transpiler/passes/synthesis/unitary_synthesis.py	2	88.2%
crates/qasm2/src/lex.rs	3	92.62%
crates/qasm2/src/parse.rs	12	97.15%

Totals
Change from base Build 9407129205:	-0.006%
Covered Lines:	62252
Relevant Lines:	69463

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💛 - Coveralls