Update vinagre fullscreen icon needle again

Looks like it got fixed but it now looks slightly different from
before.

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

needles/anaconda/vnc/vinagre_fullscreen-20220525.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "type": "match",
+      "ypos": 172,
+      "width": 26,
+      "height": 25,
+      "xpos": 371
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "vinagre_fullscreen"
+  ]
+}