FilterListViewController: pin stack view's top anchor to its superview instead of the safe areas.

Author: jaclync

WooCommerce/Classes/ViewRelated/Filters/FilterListViewController.xib

@@ -21,14 +21,14 @@
             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
             <subviews>
                 <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" translatesAutoresizingMaskIntoConstraints="NO" id="0Hi-U6-ohm">
-                    <rect key="frame" x="0.0" y="44" width="414" height="818"/>
+                    <rect key="frame" x="0.0" y="0.0" width="414" height="862"/>
                     <subviews>
                         <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="pgc-1V-BCe">
-                            <rect key="frame" x="0.0" y="0.0" width="414" height="768"/>
+                            <rect key="frame" x="0.0" y="0.0" width="414" height="812"/>
                             <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
                         </view>
                         <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="0sS-tG-DzA">
-                            <rect key="frame" x="0.0" y="768" width="414" height="50"/>
+                            <rect key="frame" x="0.0" y="812" width="414" height="50"/>
                             <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
                             <constraints>
                                 <constraint firstAttribute="height" constant="50" placeholder="YES" id="Tq2-i3-6qV"/>
@@ -39,7 +39,7 @@
             </subviews>
             <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
             <constraints>
-                <constraint firstItem="0Hi-U6-ohm" firstAttribute="top" secondItem="fnl-2z-Ty3" secondAttribute="top" id="Sny-jC-qtZ"/>
+                <constraint firstItem="0Hi-U6-ohm" firstAttribute="top" secondItem="i5M-Pr-FkT" secondAttribute="top" id="Sny-jC-qtZ"/>
                 <constraint firstItem="fnl-2z-Ty3" firstAttribute="trailing" secondItem="0Hi-U6-ohm" secondAttribute="trailing" id="hbI-xD-9g6"/>
                 <constraint firstItem="fnl-2z-Ty3" firstAttribute="bottom" secondItem="0Hi-U6-ohm" secondAttribute="bottom" id="jyt-Qs-ekO"/>
                 <constraint firstItem="0Hi-U6-ohm" firstAttribute="leading" secondItem="fnl-2z-Ty3" secondAttribute="leading" id="yfB-fN-j1x"/>