Lower padding for browser and stats dock widgets

Author: nyalldawson

src/ui/qgsbrowserdockwidgetbase.ui

@@ -15,6 +15,18 @@
   </property>
   <widget class="QWidget" name="mContents">
    <layout class="QVBoxLayout" name="verticalLayout">
+    <property name="leftMargin">
+     <number>0</number>
+    </property>
+    <property name="topMargin">
+     <number>0</number>
+    </property>
+    <property name="rightMargin">
+     <number>0</number>
+    </property>
+    <property name="bottomMargin">
+     <number>0</number>
+    </property>
     <item>
      <layout class="QHBoxLayout" name="mLayoutHeader">
       <property name="spacing">
@@ -153,7 +165,16 @@
        <property name="spacing">
         <number>0</number>
        </property>
-       <property name="margin">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
         <number>0</number>
        </property>
        <item>
@@ -259,7 +280,16 @@
         </size>
        </property>
        <layout class="QVBoxLayout" name="verticalLayout_3">
-        <property name="margin">
+        <property name="leftMargin">
+         <number>0</number>
+        </property>
+        <property name="topMargin">
+         <number>0</number>
+        </property>
+        <property name="rightMargin">
+         <number>0</number>
+        </property>
+        <property name="bottomMargin">
          <number>0</number>
         </property>
         <item>

src/ui/qgsstatisticalsummarybase.ui

@@ -19,16 +19,16 @@
      <number>3</number>
     </property>
     <property name="leftMargin">
-     <number>3</number>
+     <number>0</number>
     </property>
     <property name="topMargin">
-     <number>3</number>
+     <number>0</number>
     </property>
     <property name="rightMargin">
-     <number>3</number>
+     <number>0</number>
     </property>
     <property name="bottomMargin">
-     <number>3</number>
+     <number>0</number>
     </property>
     <item>
      <widget class="QgsMapLayerComboBox" name="mLayerComboBox"/>