Fixes

Author: janfaracik

src/main/frontend/common/components/tooltip.tsx

@@ -5,6 +5,10 @@ import React from "react";
  * A customized (and customizable) implementation of Tippy tooltips
  */
 export default function Tooltip(props: TippyProps) {
+  if (props.content === undefined) {
+    return props.children;
+  }
+
   return (
     <Tippy
       content="hello"

src/main/frontend/pipeline-graph-view/pipeline-graph/main/support/nodes.tsx

@@ -73,7 +73,7 @@ export function Node({ node, collapsed }: NodeProps) {
   };
 
   return (
-    <Tooltip content={collapsed ? title : null}>
+    <Tooltip content={collapsed ? title : undefined}>
       <div {...groupProps}>
         {groupChildren}
         {clickable && (