SW-835: Workaround for docker One or more build-args ... were not consumed, failing build

Docker/lofar-subbandtbbwriter/Dockerfile.tmpl

+# Workaround for docker "One or more build-args [DOCKER_IMAGE_BUILD_DATE J LOFAR_BUILDVARIANT LOFAR_VERSION] were not consumed, failing build"
+# Redefine these ARGS here, and they are reused from lofar-base
+ARG DOCKER_IMAGE_BUILD_DATE
+ARG J
+ARG LOFAR_BUILDVARIANT
+ARG LOFAR_VERSION
+
 #
 # base
 #