Add a workaround for #2329587, drop retry count again

This workaround is tested on stg and seems to work. If we see the
grey screen, go to a console and reboot from there. Don't do this
on any other test as it might interfere with bootloader param
entry.

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

needles/anaconda/install_process/anaconda_grey_stuck-20241130.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 9,
+      "ypos": 9,
+      "width": 1003,
+      "height": 745,
+      "type": "match"
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "anaconda_grey_stuck"
+  ]
+}

templates-updates.fif.json

@@ -399,7 +399,6 @@
                 "NO_ADVISORY_POST": "1",
                 "PACKAGE_SET": "default",
                 "PARALLEL_WITH": "support_server@%ARCH_BASE_MACHINE%",
-                "RETRY": "5",
                 "WORKER_CLASS": "tap"
             }
         },

tests/_do_install_and_reboot.pm

@@ -145,6 +145,14 @@ sub run {
     unless (@actions) {
         unless (get_var("MEMCHECK")) {
             assert_and_click "anaconda_install_done";
+            if (get_var("TEST") eq 'install_default_update_netinst') {
+                wait_still_screen 10;
+                if (check_screen "anaconda_grey_stuck") {
+                    record_soft_failure 'looks like anaconda shutdown stuck - https://bugzilla.redhat.com/show_bug.cgi?id=2329587';
+                    $self->root_console(timeout => 30);
+                    type_string "reboot\n";
+                }
+            }
         }
         return undef;
     }