bump crengine: HTML and rendering fixes (#3992)

- Fix getting xpointer to current page
- epub.css cleanup
- fb2def.h update
- Fix a few edge-case rendering issues
- Fix border being drawn in spite of 'border-width: 0'

Also update Wikipedia epub.css stylesheets regarding
recent HTML fixes and enhancements.
Remove "Remove all borders" workaround tweaks, as it's
now fixed.
(Unit tests failure to be fixed in upcoming commit)

frontend/ui/data/css_tweaks.lua

@@ -156,17 +156,10 @@ img {
             ]],
         },
     },
-    {
-        title = _("Workarounds"),
-        {
-            id = "border_all_none";
-            title = _("Remove all borders"),
-            description = _("Work around a crengine bug that makes a border drawn when {border: black solid 0px}."),
-            -- css = [[* { border-style: none !important; }]],
-            -- Better to keep the layout implied by width, just draw them in white
-            css = [[* { border-color: white !important; }]],
-        },
-    },
+    -- No current need for workarounds
+    -- {
+    --     title = _("Workarounds"),
+    -- },
 }
 
 return CssTweaks