chore(fix): Show entity tooltip on hover in similarity reference reco…

…rd (#2187)

# Description

Show entity tooltip on hover in similarity reference record in Token
Classification task

**Type of change**

Please delete options that are not relevant.

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Documentation update

**How Has This Been Tested**

Please describe the tests that you ran to verify your changes. And
ideally reference `tests`.

- [ ] Test A
- [ ] Test B

**Checklist**

- [ ] I have merged the original branch into my forked branch
- [ ] I added relevant documentation
- [x] follows the style guidelines of this project
- [x] I did a self-review of my code
- [ ] I added comments to my code
- [ ] I made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works

frontend/components/commons/results/similarity/SimilarityRecordReference.component.vue

@@ -42,5 +42,11 @@ export default {
   :deep(.origins) {
     pointer-events: none;
   }
+  :deep(.highlight) {
+    pointer-events: all;
+  }
+  :deep(.remove-button) {
+    display: none;
+  }
 }
 </style>