feat: add static wire connectivity between operators and measurements

[andrijapau]

This PR adds basic static wire connectivity support for operators and measurement nodes in the DAG.

@qml.qjit(autograph=True, target="mlir")
@qml.qnode(dev)
def my_workflow(x):
    if x == 2:
        qml.X(0)
    elif x == 3:
        qml.Y(0)
    else:
        qml.Z(0)

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

    counter = 0 
    while counter < 5:
        qml.RX(0.5, 0)
   
    return qml.expval(qml.PauliZ(0)), qml.probs(), qml.var(qml.X(0)), qml.state()

[sc-104323]

[andrijapau]

Bit of a rough diff but I essentially merged all handlers into one.