Fix the filename to an absolute path when saving static terrain information

[ryuichi-maeda]

The following files need to be modified.

• tms_ss/tms_ss_terrain_static/launch/tms_ss_terrain_static_launch.py
  

  ros2_tms_for_construction/tms_ss/tms_ss_terrain_static/launch/tms_ss_terrain_static_launch.py

  Lines 8 to 13 in 00eb519

  	filename = DeclareLaunchArgument(
  	'filename', default_value='filename.pcd'
  	)
  	filename_mesh = DeclareLaunchArgument(
  	'filename_mesh', default_value='filename_mesh.ply'
  	)

• tms_ss/tms_ss_terrain_static/tms_ss_terrain_static/tms_ss_terrain_static.py
  

  ros2_tms_for_construction/tms_ss/tms_ss_terrain_static/tms_ss_terrain_static/tms_ss_terrain_static.py

  Line 24 in 00eb519

  self.declare_parameter('filename', 'filename.pcd')

• tms_ss/tms_ss_terrain_static/tms_ss_terrain_static/tms_ss_terrain_static_mesh.py
  

  ros2_tms_for_construction/tms_ss/tms_ss_terrain_static/tms_ss_terrain_static/tms_ss_terrain_static_mesh.py

  Line 24 in 00eb519

  self.declare_parameter('filename_mesh', 'filename_mesh.ply')

[ryuichi-maeda]

Absolute path is not good solution. Because the absolute path is different for each environment.