Invert relationship cells properly when required

packages/frontend-core/src/components/grid/cells/RelationshipCell.svelte

@@ -245,7 +245,13 @@
   })
 </script>
 
-<div class="wrapper" class:editable class:focused style="--color:{color};">
+<div
+  class="wrapper"
+  class:editable
+  class:focused
+  class:invertY
+  style="--color:{color};"
+>
   <div class="container" bind:this={container}>
     <div
       class="values"
@@ -352,6 +358,10 @@
     max-height: none;
     overflow: visible;
   }
+  .wrapper.invertY {
+    top: auto;
+    bottom: 0;
+  }
 
   .container {
     min-height: var(--row-height);