Fix ambiguous widget name

src/dialogs/renderpresetdialog.cpp

@@ -222,10 +222,10 @@ RenderPresetDialog::RenderPresetDialog(QWidget *parent, RenderPresetModel *prese
             parameters->setPlainText(preset->params());
             parameters->setReadOnly(false);
             helpButton->setEnabled(false);
-            extension->setText(preset->extension());
+            preset_extension->setText(preset->extension());
         } else {
             formatCombo->setCurrentText(preset->getParam(QStringLiteral("f")));
-            extension->setText(preset->extension());
+            preset_extension->setText(preset->extension());
             QString width = preset->getParam(QStringLiteral("width"));
             QString height = preset->getParam(QStringLiteral("height"));
             QString size = preset->getParam(QStringLiteral("s"));
@@ -446,7 +446,7 @@ RenderPresetDialog::RenderPresetDialog(QWidget *parent, RenderPresetModel *prese
         QString speeds_list_str = speeds_list->toPlainText().replace('\n', ';').simplified();
 
         std::unique_ptr<RenderPresetModel> newPreset(new RenderPresetModel(newPresetName, newGroupName, parameters->toPlainText().simplified(),
-                                                                           extension->text().simplified(), QString::number(default_vbitrate->value()),
+                                                                           preset_extension->text().simplified(), QString::number(default_vbitrate->value()),
                                                                            QString::number(default_vquality->value()), QString::number(aBitrate->value()),
                                                                            QString::number(aQuality->value()), speeds_list_str, m_manualPreset));
 
@@ -459,9 +459,9 @@ RenderPresetDialog::RenderPresetDialog(QWidget *parent, RenderPresetModel *prese
 
     connect(formatCombo, &QComboBox::currentTextChanged, [this](const QString &format) {
         if (format == QLatin1String("matroska")) {
-            extension->setText(QStringLiteral("mkv"));
+            preset_extension->setText(QStringLiteral("mkv"));
         } else {
-            extension->setText(format);
+            preset_extension->setText(format);
         }
         slotUpdateParams();
     });

src/ui/editrenderpreset_ui.ui

@@ -77,7 +77,7 @@
        </widget>
       </item>
       <item row="4" column="3" colspan="2">
-       <widget class="QLineEdit" name="extension">
+       <widget class="QLineEdit" name="preset_extension">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
           <horstretch>0</horstretch>
@@ -156,7 +156,7 @@
             <x>0</x>
             <y>0</y>
             <width>536</width>
-            <height>471</height>
+            <height>501</height>
            </rect>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout">
@@ -173,8 +173,8 @@
                <rect>
                 <x>0</x>
                 <y>0</y>
-                <width>519</width>
-                <height>730</height>
+                <width>503</width>
+                <height>640</height>
                </rect>
               </property>
               <layout class="QGridLayout" name="gridLayout">
@@ -1094,7 +1094,8 @@
           <string>Enable manual editing</string>
          </property>
          <property name="icon">
-          <iconset theme="data-warning"/>
+          <iconset theme="data-warning">
+           <normaloff>.</normaloff>.</iconset>
          </property>
         </widget>
        </item>