Fix camera border bug in passepartout render view

{F10761402}

With active viewport render from camera view, the camera border shows up, even when passepartout and overlays are disabled.

By moving the line-drawing code to the passepartout section, it is effectively disabled when passepartout is off.

Reviewed By: sebastian_k

Differential Revision: https://developer.blender.org/D12745

source/blender/editors/space_view3d/view3d_draw.c

@@ -608,11 +608,10 @@ static void drawviewborder(Scene *scene, Depsgraph *depsgraph, ARegion *region,
       }
 
       GPU_blend(GPU_BLEND_NONE);
+      immUniformThemeColor3(TH_BACK);
+      imm_draw_box_wire_2d(shdr_pos, x1i, y1i, x2i, y2i);
     }
 
-    immUniformThemeColor3(TH_BACK);
-    imm_draw_box_wire_2d(shdr_pos, x1i, y1i, x2i, y2i);
-
 #ifdef VIEW3D_CAMERA_BORDER_HACK
     if (view3d_camera_border_hack_test == true) {
       immUniformColor3ubv(view3d_camera_border_hack_col);