Improve mid-circuit measurement conversion abilities

[obliviateandsurrender]

• Context - Qiskit circuits with mid-circuit measurements are supported
• Changes - Restructured the conversion iteration to add support for conditional operations based on mid-circuit measurements.
  1. Supported - c_if (legacy), IfElseOp, and SwitchCaseOp
  2. Not supported - ForLoopOp and WhileLoopOp, mainly because doing them with qml.cond doesn't seem possible at the moment.

[obliviateandsurrender]

[sc-56131]

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (307c6c4) 100.00% compared to head (927cb2d) 100.00%.

Additional details and impacted files

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##            master      #417   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            7         7           
  Lines          380       429   +49     
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+ Hits           380       429   +49     

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[lillian542]

Thanks for the walkthrough, here are my initial thoughts from yesterday - I'll go through it again this afternoon :)

[lillian542]

a few more little things here and there

[lillian542]

Left a few minor suggestions, but nothing blocking. Looks good to me 🚀

[albi3ro]

Thanks for adding in those test additions. Looks good to me :)