qml.draw supports drawing of PPMs

[astralcai]

Context:

Description of the Change:

Benefits:
Now this is possible

import pennylane as qml

def circuit():
    qml.H(0)
    qml.H(2)
    m0 = qml.pauli_measure("XY", wires=[0, 1])
    qml.cond(m0, qml.Z)(2)

>>> print(qml.draw(circuit)())
0: ──H─╭┤↗X├────┤  
1: ────╰┤↗Y├────┤  
2: ──H───║────Z─┤  
         ╚════╝    

Possible Drawbacks:

Related GitHub Issues:
[sc-99882]

[github-actions]

Hello. You may have forgotten to update the changelog!
Please edit doc/releases/changelog-dev.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[comp-phys-marc]

Just a few questions to start!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.43%. Comparing base (da1a292) to head (5a13be6).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8623   +/-   ##
=======================================
  Coverage   99.43%   99.43%           
=======================================
  Files         587      587           
  Lines       61930    61945   +15     
=======================================
+ Hits        61577    61592   +15     
  Misses        353      353           

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[gabrielasd]

@astralcai this looks awesome! I ran the following without problems:

def circuit():
    qml.Hadamard(0)
    qml.Hadamard(1)
    m = qml.pauli_measure("YXZ", wires=[0,3,2])
    qml.PauliRot(2*np.pi/8, 'XY',  wires=[2,1])
    qml.cond(m, qml.PauliX, qml.PauliZ)(wires=0)
    return qml.probs(wires=[0,1])

print(qml.draw(circuit)())

[gabrielasd]

LGTM! Thanks @astralcai