Minor layout fix

src/searchdialog/incompleteindexdialog.cpp

@@ -99,7 +99,6 @@ IncompleteIndexDialog::IncompleteIndexDialog(const QVector<qint64> &unindexedCol
     , mUi(new Ui::IncompleteIndexDialog)
 {
     auto mainLayout = new QHBoxLayout(this);
-    mainLayout->setContentsMargins({});
     auto w = new QWidget(this);
     mainLayout->addWidget(w);
     qDBusRegisterMetaType<QVector<qint64>>();

src/ui/incompleteindexdialog.ui

@@ -11,6 +11,18 @@
    </rect>
   </property>
   <layout class="QGridLayout" name="gridLayout">
+   <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 row="0" column="0" colspan="2">
     <widget class="QLabel" name="label">
      <property name="text">