Translate Python log messages + fix rhinopanel import in PROJECTS

- startup.py: all user-visible messages translated to English
- panel_base.py: icon/rendering log messages translated
- toolbar.py: display mode check messages translated
- Global: Panel registered/opened/listener-active across all modules
- Fix: elemente.py and other files with stale 'import rhinopanel'
  were missing from PROJECTS sync — now properly copied

rhino/dimensions.py

@@ -621,7 +621,7 @@ def _install_listeners(bridge):
     except Exception as ex:
         print("[DIMENSIONEN] select-events:", ex)
     sc.sticky[flag] = True
-    print("[DIMENSIONEN] Listener aktiv (Idle + SelectObjects)")
+    print("[DIMENSIONEN] Listener active (Idle + SelectObjects)")
 
 
 def _bridge_factory():