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/text_editor.py

@@ -64,7 +64,7 @@ def _ensure_double_click_hook():
         if not sc.sticky.get("dossier_text_idle_registered"):
             Rhino.RhinoApp.Idle += _on_idle_check_pending_edit
             sc.sticky["dossier_text_idle_registered"] = True
-        print("[TEXT-HOOK] Doppelklick-Hook installiert")
+        print("[TEXT-HOOK] Double-click hook installed")
     except Exception as ex:
         print("[TEXT-HOOK] install:", ex)