Adjust match area on Evince 'run' needle

Similar to the 'open' needle, adjust match area to work even
when there's a notification obscuring the top bar.

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

needles/gnome/apps/apps_run_dviewer-20210222.json

@@ -1,15 +1,15 @@
-{
-  "area": [
-    {
-      "width": 132,
-      "type": "match",
-      "xpos": 224,
-      "height": 21,
-      "ypos": 92
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "apps_run_dviewer"
-  ]
+{
+    "area": [
+        {
+            "height": 131,
+            "type": "match",
+            "width": 37,
+            "xpos": 224,
+            "ypos": 92
+        }
+    ],
+    "properties": [],
+    "tags": [
+        "apps_run_dviewer"
+    ]
 }