fix: when control has dimension (1,1) it helps

[Ipuch]

This change is 

[pariterre]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Ipuch)

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bioptim/limits/penalty_option.py line 453 at r1 (raw file):

                state_cx_end = controller.states_scaled.cx_end
            elif self.integration_rule == QuadratureRule.TRAPEZOIDAL:
                u_integrate = u.reshape((-1, 2)) if u.shape[0] == 2 else u.T

This should be done in get_variable_inputs