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/curve_vertex_dots.py

@@ -156,6 +156,6 @@ def install_curve_vertex_dots():
         conduit = _VertexDotConduit()
         conduit.Enabled = True
         sc.sticky[_STICKY_CONDUIT] = conduit
-        print("[CURVE_DOTS] Vertex-Dot-Conduit aktiv")
+        print("[CURVE_DOTS] Vertex dot conduit active")
     except Exception as ex:
         print("[CURVE_DOTS] install:", ex)