Fix crashes caused by the wrong initial value in the state interfaces. This could be particularly problematic if someone passes 'pi' in xacro instead of '${pi}'. Xacro will evaluate '${pi}' to '3.14', while 'pi' will be evaluated as is ('pi' -> 'pi'), leading to chrash.
* [#282 Fix crashing due to an invalid parameter in the initial value. (backport #271)](https://github.com/ros-controls/gazebo_ros2_control/pull/282) has been created for branch `humble` but encountered conflicts
* [#283 Fix crashing due to an invalid parameter in the initial value. (backport #271)](https://github.com/ros-controls/gazebo_ros2_control/pull/283) has been created for branch `iron` but encountered conflicts
Fix crashes caused by the wrong initial value in the state interfaces. This could be particularly problematic if someone passes 'pi' in xacro instead of '${pi}'. Xacro will evaluate '${pi}' to '3.14', while 'pi' will be evaluated as is ('pi' -> 'pi'), leading to chrash.