Qt: Increase setup wizard dialog height

Needs it on Linux otherwise graphics combos are shrunk.

Author: stenzek

src/duckstation-qt/setupwizarddialog.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>760</width>
-    <height>452</height>
+    <height>480</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -881,7 +881,7 @@
          <property name="sizeHint" stdset="0">
           <size>
            <width>20</width>
-           <height>1</height>
+           <height>0</height>
           </size>
          </property>
         </spacer>