feat: add basic cluster visualization for WhileOp, IfOp, ForOp

[andrijapau]

This PR adds basic cluster visualization for these control flow operators.

⚠️ The cluster labels are not descriptive at the moment but a future PR will add more functionality. For example, for ... should be drawn like for i in range(x,y,z) if possible.

@qml.qjit(autograph=True, target="mlir")
@qml.qnode(dev)
def my_workflow(x):
    if x == 2:
        qml.X(0)
    else:
        qml.Y(0)

    for i in range(3):
        qml.H(0)

    counter = 0 
    while counter < 5:
        qml.RX(0.5, 0)

gets you (ignore quantum nodes for now),

[sc-103462]
[sc-103464]
[sc-103465]

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.66%. Comparing base (1c9c857) to head (61b70d9).

Additional details and impacted files

@@                   Coverage Diff                    @@
##           feature/visualize-qnode    #2234   +/-   ##
========================================================
  Coverage                    97.66%   97.66%           
========================================================
  Files                           93       93           
  Lines                        10899    10899           
  Branches                      1039     1039           
========================================================
  Hits                         10645    10645           
  Misses                         195      195           
  Partials                        59       59           

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