keymap ui: no command id in the row tooltip; say who draws the title

The detail pane already shows the command id. Options::title is drawn
by show(); with ui() the host's container draws its own title.

crates/keymap/src/ui/mod.rs

@@ -103,7 +103,8 @@ pub type OnWidget = Box<dyn Fn(&str, egui::Rect, &str)>;
 /// set fields on it, or with [`Options::with`].
 #[non_exhaustive]
 pub struct Options {
-    /// "Keyboard Shortcuts".
+    /// "Keyboard Shortcuts": the window title [`ShortcutsDialog::show`] draws, and the summary's
+    /// heading. [`ShortcutsDialog::ui`] draws no title; the host's container shows its own.
     pub title: &'static str,
     /// true; false shows the table read-only with Close and Summarize.
     pub editable: bool,
@@ -251,8 +252,8 @@ impl<'a> ShortcutsDialog<'a> {
         })
     }
 
-    /// The body only, for a host's own modal, preferences page or backstage. It fills the
-    /// available rectangle.
+    /// The body only, for a host's own modal, preferences page or backstage, which draws the
+    /// title. It fills the available rectangle.
     pub fn ui(self, ui: &mut egui::Ui, state: &mut DialogState) -> Option<Outcome> {
         self.with_env(|env| frame(ui, env, state))
     }

crates/keymap/src/ui/view.rs

@@ -960,7 +960,6 @@ impl Draw<'_, '_> {
             if let Some(path) = b.paths.first().filter(|p| !p.is_empty()) {
                 tip.push(self.path_text(path));
             }
-            tip.push(r.command.id.clone());
             if let Some(h) = self.env.text.hint(b) {
                 tip.push(self.vis(&h));
             }