feat(builtin.keymaps): display noremap/buffer indicators and add lhs filter (#2246)

lua/telescope/make_entry.lua

@@ -827,11 +827,23 @@ function make_entry.gen_from_keymaps(opts)
     return utils.display_termcodes(entry.lhs)
   end
 
+  local function get_attr(entry)
+    local ret = ""
+    if entry.value.noremap ~= 0 then
+      ret = ret .. "*"
+    end
+    if entry.value.buffer ~= 0 then
+      ret = ret .. "@"
+    end
+    return ret
+  end
+
   local displayer = require("telescope.pickers.entry_display").create {
     separator = "▏",
     items = {
-      { width = 2 },
+      { width = 3 },
       { width = opts.width_lhs },
+      { width = 2 },
       { remaining = true },
     },
   }
@@ -839,6 +851,7 @@ function make_entry.gen_from_keymaps(opts)
     return displayer {
       entry.mode,
       get_lhs(entry),
+      get_attr(entry),
       get_desc(entry),
     }
   end