Fix client coordinates and set camera projection in Gazebo

fix gazebo client coordinates

vi ~/.gazebe/gui.ini

[geometry]
x=0
y=0
width=1754
height=1043

set camera projection

vi warehouse.world

<?xml version="1.0" ?>
<sdf version="1.4">
  <world name="default">
    <include>
      <pose>4 1 30 0 0 0</pose>
      <uri>model://sun</uri>
    </include>
    <model name="warehouse">
      <include>
        <pose>0 0 0 0 0 0</pose>
        <uri>model://warehouse</uri>
      </include>
    </model>
    <gui fullscreen='0'>
      <camera name='user_camera'>
          <pose frame=''>0 0 0 0 1.57 0</pose>
          <!--projection_type orthographic or perspective-->
          <projection_type>orthographic</projection_type>
      </camera>
    </gui>
  </world>
</sdf>