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/overrides.py

@@ -865,4 +865,4 @@ def install_listeners():
         return
 
     sc.sticky["overrides_listeners"] = True
-    print("[OVERRIDES] Live-Update Listener aktiv (Add/Replace/LayerTable)")
+    print("[OVERRIDES] Live-Update Listener active (Add/Replace/LayerTable)")