Bugfix/benchmark label in tooltip of benchmark comparator (#7695)

* Fix tooltip

* Update changelog

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed the benchmark label in the tooltip of the benchmark comparator on the analysis page
 - Fixed the _Storybook_ setup by loading the `@angular/localize` polyfill centrally
 - Fixed an issue in the activities import where an unused custom asset profile was created if the related activities were not imported
 

apps/client/src/app/components/benchmark-comparator/benchmark-comparator.component.ts

@@ -149,7 +149,7 @@ export class GfBenchmarkComparatorComponent implements OnChanges, OnDestroy {
               y: benchmarkDataValues[date]
             };
           }),
-          label: this.benchmark?.name ?? $localize`Benchmark`
+          label: this.benchmark()?.name ?? $localize`Benchmark`
         }
       ]
     };