Utils: Make Layouting::Group { .. } less weird

It had a implicit vertical layout leading to unneded layout nesting
in quite a few cases. The price is an added Column { ... } in those
places where the implicit vertical layout was sufficient before.

Change-Id: I3ae1f03f9c1d691bd0c563b0447edd03ee02bbd2
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/cvs/cvssettings.cpp

@@ -112,12 +112,14 @@ CvsSettingsPage::CvsSettingsPage(CvsSettings *settings)
             },
             Group {
                 Title(CvsSettings::tr("Miscellaneous")),
-                Form {
-                    s.timeout,
-                    s.diffOptions,
-                },
-                s.promptOnSubmit,
-                s.describeByCommitId,
+                Column {
+                    Form {
+                        s.timeout,
+                        s.diffOptions,
+                    },
+                    s.promptOnSubmit,
+                    s.describeByCommitId,
+                }
             },
             Stretch()
         }.attachTo(widget);