paraview: load CMB plugins in ParaView

Projects/paraview.cmake

@@ -59,6 +59,9 @@ if (__BUILDBOT_INSTALL_LOCATION)
     -DPARAVIEW_CUSTOM_INSTALL_NAME_DIR:STRING=<INSTALL_DIR>)
 endif ()
 
+list(APPEND extra_cmake_args
+  -DPARAVIEW_EXTRA_EXTERNAL_PLUGINS:STRING=CMB_Plugin)
+
 #this can't be quoted, since that will introduce an extra
 #set of quotes into pqparaviewInitializer, and break the build
 set(optional_plugins CMB_Plugin+KMLExporter_Plugin)
@@ -134,5 +137,4 @@ add_external_project(paraview
     -DCMAKE_INSTALL_RPATH_USE_LINK_PATH:BOOL=TRUE
 
     ${extra_cmake_args}
-  LIST_SEPARATOR @
 )