bugfix [#25290] Align on text gives a traceback

[#25284] Traceback error on "System Info" script

- Align was only working on mesh objects, now operate on all objects, missing boundbox's are treated as single points.
- obj.bound_box was returning all nan's for object types with no boundbox.
- ENUM_FLAG type enums were showing no text when displayed in operator redo panel.

source/blender/editors/interface/interface_utils.c

@@ -163,7 +163,14 @@ int uiDefAutoButsRNA(uiLayout *layout, PointerRNA *ptr, int (*check_prop)(Proper
 				col= NULL;
 			}
 
-			name= ""; /* name is shown above, empty name for button below */
+			/* may meed to add more cases here.
+			 * don't override enum flag names */
+			if(flag & PROP_ENUM_FLAG) {
+				name= NULL;
+			}
+			else {
+				name= ""; /* name is shown above, empty name for button below */
+			}
 		}
 		else {
 			col= layout;