Don't select the first completion by default. (Undo the behaviour from 1.0.1.)

Author: jonathanslenders

prompt_toolkit/key_binding/bindings/completion.py

@@ -33,7 +33,7 @@ def second_tab():
  second_tab()
  else:
  event.cli.start_completion(insert_common_part=True,
- select_first=True)
+ select_first=False)
 
 
 def display_completions_like_readline(event):