ui: put Remove+Add buttons in QHBoxLayout

...and limit keyboard-layout QListView to height=72 as most users are
likely to only use 1-3, and if they use more they can just scroll.

Author: johanmalm

src/maindialog.ui

@@ -230,24 +230,35 @@
           <item row="0" column="1">
            <layout class="QVBoxLayout" name="multiKeyboardLayout">
             <item>
-             <widget class="QListView" name="layoutView"/>
+             <widget class="QListView" name="layoutView">
+              <property name="maximumSize">
+               <size>
+                <width>16777215</width>
+                <height>72</height>
+               </size>
+              </property>
+             </widget>
             </item>
             <item>
              <widget class="QComboBox" name="layoutCombo"/>
             </item>
             <item>
-             <widget class="QPushButton" name="layoutAdd">
-              <property name="text">
-               <string>Add</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QPushButton" name="layoutRemove">
-              <property name="text">
-               <string>Remove</string>
-              </property>
-             </widget>
+             <layout class="QHBoxLayout" name="horizontalLayout_2">
+              <item>
+               <widget class="QPushButton" name="layoutAdd">
+                <property name="text">
+                 <string>Add</string>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QPushButton" name="layoutRemove">
+                <property name="text">
+                 <string>Remove</string>
+                </property>
+               </widget>
+              </item>
+             </layout>
             </item>
             <item>
              <spacer name="verticalSpacer">