Update typst tests for template change.

test/writer.typst

@@ -93,6 +93,9 @@
     }
   }
 
+#let has-title-block = title != none or (authors != none and authors != ()) or
+                       date != none or abstract != none
+#if has-title-block {
   place(top, float: true, scope: "parent", clearance: 4mm, block(below: 1em, width: 100%)[
     #if title != none {
       align(center, block[
@@ -134,7 +137,7 @@
       ]
     }
   ])
-
+}
   doc
 }
 #show: doc => conf(