Fix chart limits for two-dimensional group by (#16056)

The limit wasn't working properly for two dimensional stacked charts.
This PR fixes this.

packages/twenty-front/src/modules/page-layout/widgets/graph/utils/__tests__/isChartConfigurationTwoDimensional.test.ts

@@ -0,0 +1,65 @@
+import {
+  type BarChartConfiguration,
+  type LineChartConfiguration,
+} from '~/generated-metadata/graphql';
+import { isChartConfigurationTwoDimensional } from '../isChartConfigurationTwoDimensional';
+
+describe('isChartConfigurationTwoDimensional', () => {
+  describe('BarChartConfiguration', () => {
+    it('should return true for bar chart with secondary axis', () => {
+      const result = isChartConfigurationTwoDimensional({
+        __typename: 'BarChartConfiguration',
+        secondaryAxisGroupByFieldMetadataId: 'some-field-id',
+      } as BarChartConfiguration);
+
+      expect(result).toBe(true);
+    });
+
+    it('should return false for bar chart without secondary axis', () => {
+      const result = isChartConfigurationTwoDimensional({
+        __typename: 'BarChartConfiguration',
+        secondaryAxisGroupByFieldMetadataId: null,
+      } as BarChartConfiguration);
+
+      expect(result).toBe(false);
+    });
+
+    it('should return false for bar chart with undefined secondary axis', () => {
+      const result = isChartConfigurationTwoDimensional({
+        __typename: 'BarChartConfiguration',
+        secondaryAxisGroupByFieldMetadataId: undefined,
+      } as BarChartConfiguration);
+
+      expect(result).toBe(false);
+    });
+  });
+
+  describe('LineChartConfiguration', () => {
+    it('should return true for line chart with secondary axis', () => {
+      const result = isChartConfigurationTwoDimensional({
+        __typename: 'LineChartConfiguration',
+        secondaryAxisGroupByFieldMetadataId: 'some-field-id',
+      } as LineChartConfiguration);
+
+      expect(result).toBe(true);
+    });
+
+    it('should return false for line chart without secondary axis', () => {
+      const result = isChartConfigurationTwoDimensional({
+        __typename: 'LineChartConfiguration',
+        secondaryAxisGroupByFieldMetadataId: null,
+      } as LineChartConfiguration);
+
+      expect(result).toBe(false);
+    });
+
+    it('should return false for line chart with undefined secondary axis', () => {
+      const result = isChartConfigurationTwoDimensional({
+        __typename: 'LineChartConfiguration',
+        secondaryAxisGroupByFieldMetadataId: undefined,
+      } as LineChartConfiguration);
+
+      expect(result).toBe(false);
+    });
+  });
+});

packages/twenty-front/src/modules/page-layout/widgets/graph/utils/isChartConfigurationTwoDimensional.ts

@@ -0,0 +1,11 @@
+import { isDefined } from 'twenty-shared/utils';
+import {
+  type BarChartConfiguration,
+  type LineChartConfiguration,
+} from '~/generated/graphql';
+
+export const isChartConfigurationTwoDimensional = (
+  configuration: BarChartConfiguration | LineChartConfiguration,
+): boolean => {
+  return isDefined(configuration.secondaryAxisGroupByFieldMetadataId);
+};