fix(graph): fix empty target group (#26704)

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## Current Behavior
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![Screenshot 2024-06-26 at 2 56
04 PM](https://github.com/nrwl/nx/assets/16211801/d9cc93db-06a2-4c30-b88a-3054edfb619a)

when the others group are empty, it shows the container.
move the check to
graph/ui-project-details/src/lib/target-configuration-details-group-container/target-configuration-details-group-container.tsx.

## Expected Behavior
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## Related Issue(s)
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Fixes #

graph/ui-project-details/src/lib/target-configuration-details-group-container/target-configuration-details-group-container.tsx

@@ -17,6 +17,9 @@ export function TargetConfigurationGroupContainer({
   nxConnectCallback,
   children,
 }: TargetConfigurationGroupContainerProps) {
+  if (targetsNumber === 0) {
+    return null;
+  }
   return (
     <div className="mb-4 w-full">
       <TargetConfigurationGroupHeader

graph/ui-project-details/src/lib/target-configuration-details-group-list/target-configuration-details-group-list.tsx

@@ -47,9 +47,6 @@ export function TargetConfigurationGroupList({
       <>
         {Object.entries(targetsGroup.groups).map(
           ([targetGroupName, targets]) => {
-            if (targets.length === 0) {
-              return null;
-            }
             return (
               <TargetConfigurationGroupContainer
                 targetGroupName={targetGroupName}