Handle a persistent overlay warning on live boot (#2170544)

In today's F38 and Rawhide, changes to the persistent overlay
stuff result in a boot warning you have to spam through. Let's
handle this as a soft fail so we don't have floods of failed
tests till it's fixed.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/console/live_overview_warning-20230216.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 204,
+      "ypos": 32,
+      "width": 168,
+      "height": 16,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "live_overview_warning"
+  ]
+}

tests/_boot_to_anaconda.pm

@@ -111,8 +111,12 @@ sub run {
             }
         }
         else {
-            # on lives, we have to explicitly launch anaconda
             if (get_var('LIVE')) {
+                if (check_screen "live_overlay_warning", 45) {
+                    record_soft_failure "Got a persistent overlay warning - https://bugzilla.redhat.com/show_bug.cgi?id=2170544";
+                    send_key "ret";
+                }
+                # on lives, we have to explicitly launch anaconda
                 my $count = 5;
                 while ($count > 0) {
                     $count -= 1;