Make virtual keyboard auto show/hide default true again.

Author: wengxt

src/lib/fcitx/instance_p.h

@@ -219,9 +219,9 @@ class InstancePrivate : public QPtrHolder<Instance> {
 
     std::string lastGroup_;
 
-    bool virtualKeyboardAutoShow_ = false;
+    bool virtualKeyboardAutoShow_ = true;
 
-    bool virtualKeyboardAutoHide_ = false;
+    bool virtualKeyboardAutoHide_ = true;
 
     VirtualKeyboardFunctionMode virtualKeyboardFunctionMode_ =
         VirtualKeyboardFunctionMode::Full;