InputText, Nav: fixed remote/shortcut InputText() not teleporting mouse cursor when nav cursor is active and io.ConfigNavMoveSetMousePos is enabled.

Motivated by this, also made SetFocusID() immediately set g.NavIdIsAlive, which is more correct and might be other (positive) subtle side effects.

imgui_widgets.cpp

@@ -4848,6 +4848,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         SetActiveID(id, window);
         SetFocusID(id, window);
         FocusWindow(window);
+        if (input_requested_by_nav)
+            SetNavCursorVisibleAfterMove();
     }
     if (g.ActiveId == id)
     {