Add an alternate light blue KDE next needle

Somehow this button looks slightly different depending on where
the arrow is or something, even if you don't match on the arrow.
Sigh. So we need two.

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

needles/kde/apps/kde_next-lightblue-alt-20210929.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 338,
+      "height": 18,
+      "type": "match",
+      "ypos": 354,
+      "width": 30
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "kde_next"
+  ]
+}