feat: add relative y coordinates

src/elements/logic/iec_gate.typ

@@ -1,4 +1,5 @@
 #import "/src/cetz.typ": draw, coordinate
+#import "/src/util.typ"
 #import "../ports.typ": add-ports, add-port
 #import "../element.typ"
 
@@ -60,13 +61,12 @@
   if h == none { panic("Parameter h must be set") }
 
   if (type(x) == dictionary) {
-    let offset = x.rel
-    let to = x.to
-    let (ctx, to-pos) = coordinate.resolve(ctx, (rel: (offset, 0), to: to))
-    x = to-pos.at(0)
+    x = util.resolve-rel-coord(ctx, x, 0)
   }
   
-  if (type(y) == dictionary) {
+  if (type(y) == dictionary and "rel" in y) {
+    y = util.resolve-rel-coord(ctx, y, 1)
+  } else if (type(y) == dictionary) {
     let from = y.from
     let to = y.to