[evolution] Disable hardware acceleration for WebKitGTK

[Milan Crha <mcrha src gnome org>]

commit 98f91f11b86cf1838dc8b1f25260e844d7fc03a2
Author: Milan Crha <mcrha redhat com>
Date:   Thu Apr 21 16:59:34 2022 +0200

    Disable hardware acceleration for WebKitGTK
    
    This should help with crashes related to hardware acceleration
    on some machines, as being discussed at:
    https://bugs.webkit.org/show_bug.cgi?id=239429

 src/e-util/e-web-view.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/e-util/e-web-view.c b/src/e-util/e-web-view.c
index 9ab13b69cc..68f86e8c59 100644
--- a/src/e-util/e-web-view.c
+++ b/src/e-util/e-web-view.c
@@ -3617,6 +3617,7 @@ e_web_view_get_default_webkit_settings (void)
                "enable-plugins", FALSE,
                "enable-smooth-scrolling", FALSE,
                "media-playback-allows-inline", FALSE,
+               "hardware-acceleration-policy", WEBKIT_HARDWARE_ACCELERATION_POLICY_NEVER,
                NULL);
 
        e_web_view_utils_apply_minimum_font_size (settings);