Supporting loading vector from configuration files with parenthesis

[traversaro]

See https://github.com/robotology/gazebo-yarp-plugins/pull/677 , ideally we should propagate a similar change here.

fyi @xela-95

[traversaro]

Points of the code to modify:

• https://github.com/robotology/gz-sim-yarp-plugins/blob/fe4bbe64f151ffa68d934cc7da0dea8651775cd3/plugins/controlboard/src/ControlBoard.cpp#L680
• https://github.com/robotology/gz-sim-yarp-plugins/blob/fe4bbe64f151ffa68d934cc7da0dea8651775cd3/plugins/controlboard/src/ControlBoard.cpp#L443
• https://github.com/robotology/gz-sim-yarp-plugins/blob/fe4bbe64f151ffa68d934cc7da0dea8651775cd3/plugins/controlboard/src/ControlBoard.cpp#L463
• https://github.com/robotology/gz-sim-yarp-plugins/blob/fe4bbe64f151ffa68d934cc7da0dea8651775cd3/plugins/controlboard/src/ControlBoard.cpp#L510
• https://github.com/robotology/gz-sim-yarp-plugins/blob/fe4bbe64f151ffa68d934cc7da0dea8651775cd3/plugins/controlboard/src/ControlBoard.cpp#L680