Tweak default ID types processing order, step 05: PaintCurve.

Move PaintCurve type with other weird, not-really-data ID types (like
Palette and Brushes), higher in the process.

Those preset-like types may use a lot of other ID types, but should only
be used by UI-related (and Scene, for tool settings) types.

source/blender/makesdna/DNA_ID.h

@@ -789,7 +789,6 @@ enum {
   INDEX_ID_CA,
   INDEX_ID_TXT,
   INDEX_ID_SO,
-  INDEX_ID_PC,
   INDEX_ID_BR,
   INDEX_ID_PA,
   INDEX_ID_SPK,
@@ -799,6 +798,7 @@ enum {
   INDEX_ID_OB,
   INDEX_ID_LS,
   INDEX_ID_GR,
+  INDEX_ID_PC,
   INDEX_ID_SCE,
   INDEX_ID_SCR,
   INDEX_ID_WS,