[evolution] I#1995 - EMFormat: Do not "mark citation" in header values

[Milan Crha <mcrha src gnome org>]

commit afc2d76af709b454a7ef6fa8571dc7c7820f0e0d
Author: Milan Crha <mcrha redhat com>
Date:   Mon Aug 22 11:31:54 2022 +0200

    I#1995 - EMFormat: Do not "mark citation" in header values
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/1995

 src/em-format/e-mail-formatter-utils.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/em-format/e-mail-formatter-utils.c b/src/em-format/e-mail-formatter-utils.c
index 24eee3d6f1..3ad5885562 100644
--- a/src/em-format/e-mail-formatter-utils.c
+++ b/src/em-format/e-mail-formatter-utils.c
@@ -60,8 +60,8 @@ e_mail_formatter_format_text_header (EMailFormatter *formatter,
        if (!(flags & E_MAIL_FORMATTER_HEADER_FLAG_HTML)) {
                CamelMimeFilterToHTMLFlags text_format_flags;
 
-               text_format_flags =
-                       e_mail_formatter_get_text_format_flags (formatter);
+               text_format_flags = e_mail_formatter_get_text_format_flags (formatter) &
+                       (~CAMEL_MIME_FILTER_TOHTML_MARK_CITATION);
                html = mhtml = camel_text_to_html (
                        value, text_format_flags, 0);
        } else {
@@ -380,8 +380,8 @@ e_mail_formatter_format_header (EMailFormatter *formatter,
                while (*txt == ' ' || *txt == '\t')
                        txt++;
 
-               text_format_flags =
-                       e_mail_formatter_get_text_format_flags (formatter);
+               text_format_flags = e_mail_formatter_get_text_format_flags (formatter) &
+                       (~CAMEL_MIME_FILTER_TOHTML_MARK_CITATION);
 
                html = camel_text_to_html (txt, text_format_flags, 0);