Fix kanban view picker total count (#10898)

Fixes https://github.com/twentyhq/twenty/issues/9790

Before


https://github.com/user-attachments/assets/332ec338-ce87-4d4d-ac47-a4e76dceb5b0



After


https://github.com/user-attachments/assets/93a03842-386a-4e75-a709-85a91bbc7679

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/src/modules/views/hooks/internal/useGetRecordIndexTotalCount.ts

@@ -0,0 +1,46 @@
+import { useContextStoreObjectMetadataItemOrThrow } from '@/context-store/hooks/useContextStoreObjectMetadataItemOrThrow';
+import { useAggregateRecords } from '@/object-record/hooks/useAggregateRecords';
+import { currentRecordFilterGroupsComponentState } from '@/object-record/record-filter-group/states/currentRecordFilterGroupsComponentState';
+import { useFilterValueDependencies } from '@/object-record/record-filter/hooks/useFilterValueDependencies';
+import { currentRecordFiltersComponentState } from '@/object-record/record-filter/states/currentRecordFiltersComponentState';
+import { computeRecordGqlOperationFilter } from '@/object-record/record-filter/utils/computeViewRecordGqlOperationFilter';
+import { AGGREGATE_OPERATIONS } from '@/object-record/record-table/constants/AggregateOperations';
+import { useRecoilComponentValueV2 } from '@/ui/utilities/state/component-state/hooks/useRecoilComponentValueV2';
+
+export const useGetRecordIndexTotalCount = () => {
+  const { objectMetadataItem } = useContextStoreObjectMetadataItemOrThrow();
+
+  const currentRecordFilterGroups = useRecoilComponentValueV2(
+    currentRecordFilterGroupsComponentState,
+  );
+
+  const currentRecordFilters = useRecoilComponentValueV2(
+    currentRecordFiltersComponentState,
+  );
+
+  const { filterValueDependencies } = useFilterValueDependencies();
+
+  const filter = computeRecordGqlOperationFilter({
+    filterValueDependencies,
+    recordFilters: currentRecordFilters,
+    recordFilterGroups: currentRecordFilterGroups,
+    fields: objectMetadataItem.fields,
+  });
+
+  const { data, loading } = useAggregateRecords<{
+    id: { COUNT: number };
+  }>({
+    objectNameSingular: objectMetadataItem.nameSingular,
+    filter,
+    recordGqlFieldsAggregate: {
+      id: [AGGREGATE_OPERATIONS.count],
+    },
+  });
+
+  const totalCount = data?.id?.COUNT;
+
+  return {
+    totalCount,
+    loading,
+  };
+};