Make query distinct on dataaset for worksheet view (#304)

### Feature or Bugfix
- Bugfix

### Detail
- Fix bug in worksheet showing duplicated databases

### Relates
- #287 

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

backend/dataall/api/Objects/Environment/input_types.py

@@ -98,6 +98,7 @@ class EnvironmentSortField(GraphQLEnumMapper):
         gql.Argument('term', gql.String),
         gql.Argument('page', gql.Integer),
         gql.Argument('pageSize', gql.Integer),
+        gql.Argument('uniqueDatasets', gql.Boolean)
     ],
 )
 

backend/dataall/db/api/environment.py

@@ -940,6 +940,10 @@ def paginated_shared_with_environment_datasets(
             q = q.filter(
                 or_(*[models.ShareObjectItem.itemType == t for t in itemTypes])
             )
+
+        if data.get("uniqueDatasets", False):
+            q = q.distinct(models.ShareObject.datasetUri)
+
         if data.get('term'):
             term = data.get('term')
             q = q.filter(models.ShareObjectItem.itemName.ilike('%' + term + '%'))

frontend/src/views/Worksheets/WorksheetView.js

@@ -161,6 +161,7 @@ const WorksheetView = () => {
             page: 1,
             pageSize: 10000,
             term: '',
+            uniqueDatasets: true,
             itemTypes: 'DatasetTable'
           }
         })