Cleanup: Rename ScrArea variables from sa to area

Follow up of b2ee1770d4c3 and 10c2254d412d, part of T74432.
Now the area and region naming conventions should be less confusing.

Mostly a careful batch rename but had to do few smaller fixes.

Also ran clang-format on affected files.

1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index dffe52745e4..cb4446deb99 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -1106,7 +1106,7 @@ static void CalcSnapGeometry(TransInfo *t, float *UNUSED(vec))
   }
   else if (t->spacetype == SPACE_IMAGE && t->obedit_type == OB_MESH) {
     if (t->tsnap.mode & SCE_SNAP_MODE_VERTEX) {
-      Image *ima = ED_space_image(t->sa->spacedata.first);
+      Image *ima = ED_space_image(t->area->spacedata.first);
       float co[2];
 
       UI_view2d_region_to_view(&t->region->v2d, t->mval[0], t->mval[1], &co[0], &co[1]);
@@ -1581,7 +1581,7 @@ bool snapNodesTransform(
     TransInfo *t, const int mval[2], float r_loc[2], float *r_dist_px, char *r_node_border)
 {
   return snapNodes(t->settings,
-                   t->sa->spacedata.first,
+                   t->area->spacedata.first,
                    t->region,
                    mval,
                    t->tsnap.modeSelect,
@@ -1716,7 +1716,7 @@ static void applyGridIncrement(
     if (t->spacetype == SPACE_GRAPH) {
       View2D *v2d = &t->region->v2d;
       Scene *scene = t->scene;
-      SpaceGraph *sipo = t->sa->spacedata.first;
+      SpaceGraph *sipo = t->area->spacedata.first;
       asp_local[0] = UI_view2d_grid_resolution_x__frames_or_seconds(
           v2d, scene, sipo->flag & SIPO_DRAWTIME);
       asp_local[1] = UI_view2d_grid_resolution_y__values(v2d);