Add info about failed MG to email report

Signed-off-by: Petr Balogh <[email protected]>

ocs_ci/utility/utils.py

@@ -1722,6 +1722,16 @@ def parse_html_for_email(soup):
         skipped[0].string.replace_with(
             f"{skipped_number} skipped ({skips_ceph_health_ratio * 100}% on Ceph health)"
         )
+    from ocs.utils import mg_fail_count
+
+    if mg_fail_count:
+        failed_mg_text = soup.new_tag("b")
+        failed_mg_text.string = (
+            f"In this execution Must Gather collection has failed: {mg_fail_count} times!"
+            " Please check why this has happened!"
+        )
+        main_header = soup.find("h1")
+        main_header.insert_after(failed_mg_text)
 
     main_header = soup.find("h1")
     main_header.string.replace_with("OCS-CI RESULTS")