Revert hack and use fork

that fixes issues with deploy.sh
- osrf/gzweb#248

Dockerfile

@@ -147,16 +147,13 @@ RUN apt-get install -y --no-install-recommends \
 
 # clone gzweb
 ENV GZWEB_WS /opt/gzweb
-RUN git clone /~https://github.com/osrf/gzweb.git $GZWEB_WS
+RUN git clone --branch python3 /~https://github.com/ruffsl/gzweb.git $GZWEB_WS
 
 # build gzweb
 RUN cd $GZWEB_WS && . /usr/share/gazebo/setup.sh && \
     GAZEBO_MODEL_PATH=$GAZEBO_MODEL_PATH:/opt/ros/$ROS_DISTRO/share/turtlebot3_gazebo/models \
     GAZEBO_MODEL_PATH=$GAZEBO_MODEL_PATH:/opt/ros/$ROS_DISTRO/share/aws_robomaker_small_warehouse_world/models \
-    xvfb-run -s "-screen 0 1280x1024x24" ./deploy.sh -m local && \
-    cd http/client/assets && mkdir models && \
-    find . -maxdepth 1 -type d -name "aws_*" \
-      | xargs cp -r -t models/
+    xvfb-run -s "-screen 0 1280x1024x24" ./deploy.sh -m local
 
 # install foxglove dependacies
 RUN apt-get install -y --no-install-recommends \