[BUG] hadamard gradient does not work with wires-broadcasted measurements

[albi3ro]

Expected behavior

I would expect hadamard_grad to be interchangeable with param_shift in cases where there is no explicit error

Actual behavior

Output gradient is simply array([0.])

Additional information

No response

Source code

tape = qml.tape.QuantumScript([qml.RX(0.1, 0)], [qml.probs()])

batch, fn = qml.gradients.hadamard_grad(tape)
fn(qml.device('default.qubit').execute(batch))

Tracebacks

No response

System information

on master

Existing GitHub issues

• [X] I have searched existing GitHub issues to make sure the issue does not already exist.