HPCC-23881 Should include all plugins in docker container images

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>

dockerfiles/platform-build/Dockerfile

@@ -48,7 +48,7 @@ RUN mkdir build
 WORKDIR /hpcc-dev/build
 
 ARG BUILD_TYPE=RelWithDebInfo
-RUN cmake /hpcc-dev/HPCC-Platform -Wno-dev -DCONTAINERIZED=1 -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
+RUN cmake /hpcc-dev/HPCC-Platform -Wno-dev -DCONTAINERIZED=1 -DINCLUDE_PLUGINS=1 -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
 
 ARG BUILD_THREADS
 RUN if [ -n "${BUILD_THREADS}" ] ; then echo ${BUILD_THREADS} > ~/build_threads; else echo $(nproc) > ~/build_threads ; fi