firefox: fix ctrl+w

fix-firefox.patch

@@ -1,6 +1,6 @@
 --- localization/en-US/browser/browserSets.ftl~	2020-08-31 11:28:51.148881026 +0200
-+++ localization/en-US/browser/browserSets.ftl	2020-08-31 16:36:03.174954971 +0200
-@@ -9,7 +9,7 @@
++++ localization/en-US/browser/browserSets.ftl	2020-08-31 19:07:11.687530527 +0200
+@@ -9,16 +9,16 @@
      .label = Zoom
  
  window-new-shortcut =
@@ -9,8 +9,10 @@
  
  window-minimize-shortcut =
      .key = M
-@@ -18,7 +18,7 @@
-     .key = W
+ 
+ close-shortcut =
+-    .key = W
++    .key = VK_F17
  
  tab-new-shortcut =
 -    .key = T