fix(DankTextField): set TextInput 'fontFamily' (#2399)

This allows input fields created using the widget to inherit their font
family from Theme.

quickshell/Widgets/DankTextField.qml

@@ -116,6 +116,7 @@ StyledRect {
         anchors.bottom: parent.bottom
         anchors.bottomMargin: root.bottomPadding
         font.pixelSize: Theme.fontSizeMedium
+        font.family: Theme.fontFamily
         color: Theme.surfaceText
         selectionColor: Theme.primaryContainer
         selectedTextColor: Theme.primary