Fix manual insert completion menu not getting automatically hidden

Fixes #2208

src/input_handler.cc

@@ -1096,8 +1096,7 @@ public:
           m_disable_hooks{context().hooks_disabled(), context().hooks_disabled()},
           m_idle_timer{TimePoint::max(), context().flags() & Context::Flags::Draft ?
                        Timer::Callback{} : [this](Timer&) {
-                           if (m_auto_complete)
-                               m_completer.update();
+                           m_completer.update(m_auto_complete);
                            context().hooks().run_hook("InsertIdle", "", context());
                        }}
     {

src/insert_completer.cc

@@ -459,12 +459,13 @@ void InsertCompleter::select(int index, bool relative, Vector<Key>& keystrokes)
     }
 }
 
-void InsertCompleter::update()
+void InsertCompleter::update(bool allow_implicit)
 {
     if (m_explicit_completer and try_complete(m_explicit_completer))
         return;
 
     reset();
+    if (allow_implicit)
         setup_ifn();
 }
 

src/insert_completer.hh

@@ -83,7 +83,7 @@ public:
     ~InsertCompleter();
 
     void select(int index, bool relative, Vector<Key>& keystrokes);
-    void update();
+    void update(bool allow_implicit);
     void reset();
 
     void explicit_file_complete();