polish it even more

rm-main/src/tui/global_popups/help.rs

@@ -207,34 +207,34 @@ impl Component for HelpPopup {
 
         let block = popup_block_with_close_highlight(" Help ");
 
-        let mut max_len = 0;
+        let mut to_pad = 0;
         let mut max_line_len = 0;
         let mut global_keys = Self::get_keybindings(
             &CONFIG.keybindings.general.keybindings,
-            &mut max_len,
+            &mut to_pad,
             &mut max_line_len,
         );
         let mut torrents_keys = Self::get_keybindings(
             &CONFIG.keybindings.torrents_tab.keybindings,
-            &mut max_len,
+            &mut to_pad,
             &mut max_line_len,
         );
         let mut search_keys = Self::get_keybindings(
             &CONFIG.keybindings.search_tab.keybindings,
-            &mut max_len,
+            &mut to_pad,
             &mut max_line_len,
         );
-        debug_assert!(max_len > 0);
+        debug_assert!(to_pad > 0);
         let to_pad_additionally = (text_rect
             .width
             .saturating_sub(max_line_len.try_into().unwrap())
             / 2)
         .saturating_sub(6);
-        max_len += usize::from(to_pad_additionally);
+        to_pad += usize::from(to_pad_additionally);
 
         let pad_keys = |keys: &mut Vec<(String, &'static str)>| {
             for key in keys {
-                let mut how_much_to_pad = max_len.saturating_sub(key.0.chars().count());
+                let mut how_much_to_pad = to_pad.saturating_sub(key.0.chars().count());
                 while how_much_to_pad > 0 {
                     key.0.insert(0, ' ');
                     how_much_to_pad -= 1;
@@ -251,6 +251,7 @@ impl Component for HelpPopup {
             for (keycode, desc) in keys {
                 add_line!(lines, keycode, desc);
             }
+            lines.push(Line::default());
         };
 
         lines.push(