fix video fullscreen on public page

Signed-off-by: Simon L <szaimen@e.mail.de>
Signed-off-by: nextcloud-command <nextcloud-command@users.noreply.github.com>

Author: szaimen

apps/files_sharing/css/public.css

@@ -44,6 +44,10 @@ $download-button-section-height: 200px;
 	max-height: calc(100vh - var(--header-height) - #{$footer-height} - #{$download-button-section-height} - #{$footer-padding-height});
 }
 
+#imgframe .plyr:fullscreen video {
+    max-height: unset;
+}
+
 #imgframe audio {
 	display: block;
 	margin-left: auto;