Fix navigation_navibar_terminal needle, add a missing needle

I forgot this needle has to be with terminal highlighted, not
just present. And now that's fixed, we need another needle for
a later point in the test.

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

needles/gnome/apps/navigation/navigation_navibar_terminal-20240816.json

@@ -2,10 +2,10 @@
   "area": [
     {
       "width": 122,
-      "xpos": 588,
+      "type": "match",
-      "ypos": 370,
       "height": 34,
-      "type": "match"
+      "ypos": 370,
+      "xpos": 589
     }
   ],
   "properties": [],

needles/gnome/apps/navigation/navigation_terminal_fullscreen-20240816.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "width": 76,
+      "type": "match",
+      "height": 22,
+      "xpos": 45,
+      "ypos": 54
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "navigation_terminal_fullscreen"
+  ]
+}