Revert "Do not use listen_address 0.0.0.0 for Docker (has no desirable effect)"

This reverts commit 7ad44edd18.

Listen address 0.0.0.0 is necessary for docker, because port forwarding for Docker
is just NAT, so port forwarding alone is not sufficient

Fixes #879

DOCKER.md

@@ -27,6 +27,8 @@ special settings for Docker usage:
 ```
 # Disable the GUI log window since it's not supported in Docker
 gui_log_window: False
+# Listen on all interfaces for the web dashboard to be accessible from outside the container
+web_dashboard_listen_address: 0.0.0.0
 # Disable opening the web dashboard on launch (not possible within the container)
 web_dashboard_open_on_launch: False
 ```

Dockerfile

@@ -64,6 +64,7 @@ ENV SERENA_HOME=/workspaces/serena/config
 RUN mkdir -p $SERENA_HOME
 RUN cp src/serena/resources/serena_config.template.yml $SERENA_HOME/serena_config.yml
 RUN sed -i 's/^gui_log_window: .*/gui_log_window: False/' $SERENA_HOME/serena_config.yml
+RUN sed -i 's/^web_dashboard_listen_address: .*/web_dashboard_listen_address: 0.0.0.0/' $SERENA_HOME/serena_config.yml
 RUN sed -i 's/^web_dashboard_open_on_launch: .*/web_dashboard_open_on_launch: False/' $SERENA_HOME/serena_config.yml
 
 # Create virtual environment and install dependencies