Update realmd_join_cockpit for Cockpit 209

We need a couple of new needles, plus the 'join domain' button
has disappeared from the front page due to the very inefficient
UI redesign, so we need to scroll down to find it.

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

needles/cockpit/join_complete-20191214.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "type": "match",
+      "width": 348,
+      "ypos": 577,
+      "height": 18,
+      "xpos": 379
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "cockpit_join_complete"
+  ]
+}

needles/cockpit/join_domain_button-link-20191214.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "type": "match",
+      "width": 94,
+      "ypos": 579,
+      "xpos": 633,
+      "height": 15
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "cockpit_join_domain_button"
+  ]
+}

tests/realmd_join_cockpit.pm

@@ -26,7 +26,19 @@ sub run {
     # check_type_string in cockpit because of that fucking constantly
     # scrolling graph
     start_cockpit(1);
-    assert_and_click "cockpit_join_domain_button";
+    # on cockpit 209+ we have to scroll down before the button is
+    # visible
+    if (check_screen "cockpit_join_domain_button", 5) {
+        click_lastmatch;
+    }
+    else {
+        # to activate the right pane
+        assert_and_click "cockpit_main";
+        send_key "pgdn";
+        # wait out scroll...
+        wait_still_screen 2;
+        assert_and_click "cockpit_join_domain_button", 5;
+    }
     assert_screen "cockpit_join_domain";
     send_key "tab";
     sleep 3;