Tweak for ui range of track size in 3d viewport

Patch by Sebastian Koenig, thanks!

source/blender/makesrna/intern/rna_space.c

@@ -2071,6 +2071,7 @@ static void rna_def_space_view3d(BlenderRNA *brna)
 
 	prop = RNA_def_property(srna, "tracks_draw_size", PROP_FLOAT, PROP_NONE);
 	RNA_def_property_range(prop, 0.0, FLT_MAX);
+	RNA_def_property_ui_range(prop, 0, 5, 1, 3);
 	RNA_def_property_float_sdna(prop, NULL, "bundle_size");
 	RNA_def_property_ui_text(prop, "Tracks Size", "Display size of tracks from reconstructed data");
 	RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL);