Insert ribbon: Import panel

Import File split button (PDF Import / DGN Import / Import), Recognize
SHX Text, Recognition Settings and Combine Text; Land XML moves to the
panel slide-out and Open leaves the panel. Ribbon commands may be menu
macros (`;` answers the running command's prompt). KeyTips IF, PI, DI,
OI, PS, PT, TM; labels in every locale.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/update/dialog.rs

@@ -133,7 +133,7 @@ impl OpenCADStudio {
         match event {
             // `dispatch_command` turns a one-shot tool's highlight off
             // again once nothing is left running (#355).
-            ModuleEvent::Command(cmd) => return self.dispatch_command(&cmd),
+            ModuleEvent::Command(cmd) => return self.dispatch_ribbon_command(&cmd),
             ModuleEvent::OpenFileDialog => {
                 self.command_line
                     .push_info(crate::t!("Open DWG/DXF: not yet implemented.").as_ref());

src/app/update/mod.rs

@@ -6613,7 +6613,7 @@ impl OpenCADStudio {
                 };
                 self.ribbon.select_dropdown_item(dropdown_id, face);
                 self.ribbon.activate_tool(cmd);
-                self.dispatch_command(cmd)
+                self.dispatch_ribbon_command(cmd)
             }
 
             Message::DeleteSelected => {