cmake: fix processing order of <wrapper>_bindings_generator

- ensure that wrapped modules are already processed

modules/python/bindings/CMakeLists.txt

@@ -11,7 +11,7 @@ set(PYTHON_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../")
 # get list of modules to wrap
 set(OPENCV_PYTHON_MODULES)
 foreach(m ${OPENCV_MODULES_BUILD})
-  if (";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";${MODULE_NAME};" AND HAVE_${m})
+  if (";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";python;" AND HAVE_${m})
     list(APPEND OPENCV_PYTHON_MODULES ${m})
     #message(STATUS "\t${m}")
   endif()