fix size of the welcome wizard (bug #56265) * welcome-wizard.cc (welcome_wizard): initialize new class variables for width and height, do not use screen size but get the required size for all three pages and resize widget accordingly; (adjust_size): new method for updating the required size; (initial_page::initial_page) (setup_community_news::setup_community_news) (final_page::final_page): adjust spacing and size policy * welcome-wizard.h: new method adjust_size and new class variables for max. width and heigth

--- a/libgui/src/welcome-wizard.h	Wed Apr 10 21:45:54 2019 -0700
+++ b/libgui/src/welcome-wizard.h	Fri May 10 22:15:37 2019 +0200
@@ -42,12 +42,16 @@
 
     ~welcome_wizard (void) = default;
 
+    void adjust_size (void);
+
   private:
 
     QList<page_creator_fptr> m_page_ctor_list;
     QList<page_creator_fptr>::iterator m_page_list_iterator;
     QWidget *m_current_page;
     bool m_allow_web_connect_state;
+    int m_max_height;
+    int m_max_width;
 
   private slots: