Fix Prefs window style on Windows (#4465)

chrome/content/zotero-platform/win/preferences.css

@@ -1,12 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
- window[windowtype="zotero:pref"] {
-	padding: 0;
-	
-	-moz-appearance: window;
-	background-color: -moz-Dialog;
-	color: -moz-DialogText;
-	font: message-box;
-}

scss/preferences-win.scss

@@ -0,0 +1,24 @@
+// Abstracts
+
+@import "abstracts/variables";
+@import "abstracts/functions";
+@import "abstracts/mixins";
+@import "abstracts/placeholders";
+@import "abstracts/utilities";
+@import "abstracts/split-button";
+@import "abstracts/svgicon";
+
+@import "themes/light";
+@import "themes/dark";
+
+// Windows specific
+
+@import "win/abstracts/mixins";
+
+// Components
+
+@import "win/components/button";
+@import "win/components/input";
+@import "win/components/menulist";
+@import "win/components/menupopup";
+@import "win/components/tabbox";

scss/zotero-win.scss

@@ -9,7 +9,6 @@
 @import "win/createParent";
 @import "win/tabBar";
 @import "win/titleBar";
-@import "win/menupopup";
 
 // Elements
 
@@ -20,4 +19,5 @@
 @import "win/components/button";
 @import "win/components/input";
 @import "win/components/menulist";
+@import "win/components/menupopup";
 @import "win/components/tabbox";