Design tab: Text verb hint describes the Text feature

The context menu still said the text outline is added to the sketch as
editable lines, which is what it did before Text became its own
feature. Only SVG goes into the open sketch now; the comments on that
path say so.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QK4VgguuCAk2hZLWgcjJb9

src/slic3r/GUI/CAD/DesignPanel.cpp

@@ -4993,7 +4993,8 @@ void DesignPanel::add_imported_sketch(
     // DRAWING, not importing: if a sketch is open, the art belongs IN it. The outlines become
     // ordinary line entities, so they can be constrained, trimmed and extruded with everything
     // else on that plane. Committing a separate Sketch feature while the user is mid-sketch put
-    // the text on its own plane-origin feature and left the sketch they were drawing untouched.
+    // the art on its own plane-origin feature and left the sketch they were drawing untouched.
+    // (Text no longer comes through here: it is its own feature, see open_text_dialog.)
     if (m_viewport && m_viewport->is_sketching() && m_viewport->add_sketch_regions(regions)) {
         set_status(StatusKind::Info, wxString::Format(_L("%s added to the sketch — Confirm to commit it"),
                                             base_name));