Correct typo in "current buffer's directory" (#10814)

Author: markstos

helix-term/src/commands.rs

@@ -326,7 +326,7 @@ impl MappableCommand {
         append_mode, "Append after selection",
         command_mode, "Enter command mode",
         file_picker, "Open file picker",
-        file_picker_in_current_buffer_directory, "Open file picker at current buffers's directory",
+        file_picker_in_current_buffer_directory, "Open file picker at current buffer's directory",
         file_picker_in_current_directory, "Open file picker at current working directory",
         code_action, "Perform code action",
         buffer_picker, "Open buffer picker",