feat(command-line): resize history panel

Refs #456

src/app/view/mod.rs

@@ -1499,6 +1499,7 @@ impl OpenCADStudio {
             allow_autocomplete,
             dyn_capturing,
             &self.history_content,
+            self.win_size.1,
         );
         let center_stack: Element<'_, Message> = if tab.is_start {
             column![
@@ -1534,6 +1535,16 @@ impl OpenCADStudio {
                 .into()
         };
 
+        let center_stack: Element<'_, Message> = if self.command_history_resizing {
+            mouse_area(center_stack)
+                .on_move(Message::CommandHistoryResizeMove)
+                .on_release(Message::CommandHistoryResizeRelease)
+                .interaction(iced::mouse::Interaction::ResizingVertically)
+                .into()
+        } else {
+            center_stack
+        };
+
         let main_ui = container({
             // Clean-screen mode drops the ribbon for a full-canvas view; the
             // status bar stays so the mode can be toggled back off.