UI: allow to reduce MainWindow a little more

- Had to put all settings in scroll area in order to
do that

Issue: #79021
Change-Id: Icc990e4068070db5faff690839882b2b4441a552
diff --git a/videoview.ui b/videoview.ui
index 739610c..aca8fd5 100644
--- a/videoview.ui
+++ b/videoview.ui
@@ -10,6 +10,12 @@
     <height>522</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="acceptDrops">
    <bool>true</bool>
   </property>
@@ -34,6 +40,12 @@
      <property name="enabled">
       <bool>false</bool>
      </property>
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="acceptDrops">
       <bool>false</bool>
      </property>