Gui: PR4556 Step 2: remove native=true

src/Gui/DlgExpressionInput.ui

@@ -35,7 +35,7 @@
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout_2">
      <item>
-      <widget class="QWidget" name="widget" native="true">
+      <widget class="QWidget" name="widget">
        <layout class="QVBoxLayout" name="verticalLayout_2">
         <property name="spacing">
          <number>0</number>

src/Gui/DlgRunExternal.ui

@@ -62,7 +62,7 @@
     </layout>
    </item>
    <item row="1" column="0">
-    <widget class="QWidget" name="extensionWidget" native="true">
+    <widget class="QWidget" name="extensionWidget">
      <layout class="QVBoxLayout" name="verticalLayout">
       <property name="spacing">
        <number>6</number>

src/Gui/DlgSettingsNavigation.ui

@@ -366,7 +366,7 @@ Turntable: the part will be rotated around the z-axis.</string>
          </widget>
         </item>
         <item row="4" column="3">
-         <widget class="PrefUnitSpinBox" name="qspinNewDocScale" native="true">
+         <widget class="PrefUnitSpinBox" name="qspinNewDocScale">
           <property name="minimumSize">
            <size>
             <width>120</width>