Localization: Updated POT.

+ Changed a script of the merging new POT with existing PO files.
  Now it processes just a PO-files which are provided by community.

Community PO-files are updated from the new POT

CMakeLists.txt

@@ -485,21 +485,28 @@ add_custom_target(gettext_make_pot
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     COMMENT "Generate pot file from strings in the source tree"
 )
-add_custom_target(gettext_merge_po_with_pot
+
+add_custom_target(gettext_merge_community_po_with_pot
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
-    COMMENT "Merge localization po with new generted pot file"
+    COMMENT "Merge community po with new generated pot file"
 )
 file(GLOB L10N_PO_FILES "${L10N_DIR}/*/PrusaSlicer*.po")
+# list of names of directories, which are licalized by PS internally
+list(APPEND PS_L10N_DIRS "cs" "de" "es" "fr" "it" "ja" "pl")
 foreach(po_file ${L10N_PO_FILES})
-    #GET_FILENAME_COMPONENT(po_dir "${po_file}" DIRECTORY)
+    GET_FILENAME_COMPONENT(po_dir "${po_file}" DIRECTORY)
-    #SET(po_new_file "${po_dir}/PrusaSlicer_.po")
+    GET_FILENAME_COMPONENT(po_dir_name "${po_dir}" NAME)
+    list(FIND PS_L10N_DIRS ${po_dir_name} found_dir_id)
+    # found_dir_id==-1 means that po_dir_name wasn't found in PS_L10N_DIRS
+    if(found_dir_id LESS 0)
         add_custom_command(
-        TARGET gettext_merge_po_with_pot PRE_BUILD
+            TARGET gettext_merge_community_po_with_pot PRE_BUILD
             COMMAND msgmerge -N -o ${po_file} ${po_file} "${L10N_DIR}/PrusaSlicer.pot"
             # delete obsolete lines from resulting PO to avoid conflicts after a merging of it with wxWidgets.po
             COMMAND msgattrib --no-obsolete -o ${po_file} ${po_file}
             DEPENDS ${po_file}
         )
+    endif()
 endforeach()
 
 add_custom_target(gettext_concat_wx_po_with_po
@@ -507,7 +514,6 @@ add_custom_target(gettext_concat_wx_po_with_po
     COMMENT "Concatenate and merge wxWidgets localization po with PrusaSlicer po file"
 )
 file(GLOB L10N_PO_FILES "${L10N_DIR}/*/PrusaSlicer*.po")
-file(GLOB L10N_WX_PO_FILES "${L10N_DIR}/*/PrusaSlicer*.po")
 foreach(po_file ${L10N_PO_FILES})
     GET_FILENAME_COMPONENT(po_dir "${po_file}" DIRECTORY)
     GET_FILENAME_COMPONENT(po_dir_name "${po_dir}" NAME)