Bug 1703164 - Fluent2Fluent migration for calendar-ics-file-window-title. r=mkmelin

Goes with D165114 that already landed to avoid re-translation.

Differential Revision: https://phabricator.services.mozilla.com/D165925

--HG--
extra : moz-landing-system : lando

python/l10n/tb_fluent_migrations/bug_1703164_calendar_ics_file_dialog.py

@@ -0,0 +1,20 @@
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+from fluent.migrate import COPY_PATTERN
+from fluent.migrate.helpers import transforms_from
+
+
+def migrate(ctx):
+    """Bug 1703164 - convert calendar/base/content/dialogs/calendar-ics-file-dialog.xhtml to html"""
+
+    ctx.add_transforms(
+        "calendar/calendar/calendar-ics-file-dialog.ftl",
+        "calendar/calendar/calendar-ics-file-dialog.ftl",
+        transforms_from(
+            """
+calendar-ics-file-window-title = {{COPY_PATTERN(from_path, "calendar-ics-file-window-2.title")}}
+            """,
+            from_path="calendar/calendar/calendar-ics-file-dialog.ftl",
+        ),
+    )