software/theia: include jdk

Even if we don't use this, the debug pane cause an error when jdk is not
installed

Some optional extensions installable from the registry (like the XML
supports from redhat) also need java and it's better to have something
to edit XML

software/theia/software.cfg

@@ -10,6 +10,7 @@ extends =
    ../../component/vim/buildout.cfg
    ../../component/curl/buildout.cfg
    ../../component/coreutils/buildout.cfg
+   ../../component/java-jdk/buildout.cfg
    ../../stack/slapos.cfg
    ../../stack/monitor/buildout.cfg
    ./gowork.cfg
@@ -329,7 +330,7 @@ template =
   inline:
   #!/bin/bash
   . ${gowork:env.sh}
-  export PATH=${python-language-server:location}/bin/:${cli-utilities:PATH}:$PATH
+  export PATH=${python-language-server:location}/bin/:${java-jdk:location}/bin/:${cli-utilities:PATH}:$PATH
   export THEIA_DEFAULT_PLUGINS="local-dir:${theia:THEIA_DEFAULT_PLUGINS}"
   # reset PS1 from gowork
   export PS1='$ '