9024 workflow test serverless function follow up (#9066)

-  Fix Tablist style
- Fix dropdown style (wrong grey background)
- Update dropdown variable when no outputSchema is available 



https://github.com/user-attachments/assets/56698fe8-8dd3-404a-b2b2-f1eca6f5fa28

packages/twenty-front/src/modules/serverless-functions/utils/__tests__/getFunctionOutputSchema.test.ts

@@ -10,14 +10,22 @@ describe('getFunctionOutputSchema', () => {
       e: [1, 2, 3],
     };
     const expectedOutputSchema = {
-      a: { isLeaf: true, type: 'unknown', value: null },
-      b: { isLeaf: true, type: 'string', value: 'b' },
+      a: { isLeaf: true, type: 'unknown', value: null, icon: 'IconVariable' },
+      b: { isLeaf: true, type: 'string', value: 'b', icon: 'IconVariable' },
       c: {
         isLeaf: false,
-        value: { cc: { isLeaf: true, type: 'number', value: 1 } },
+        icon: 'IconVariable',
+        value: {
+          cc: { isLeaf: true, type: 'number', value: 1, icon: 'IconVariable' },
+        },
+      },
+      d: { isLeaf: true, type: 'boolean', value: true, icon: 'IconVariable' },
+      e: {
+        isLeaf: true,
+        type: 'array',
+        value: [1, 2, 3],
+        icon: 'IconVariable',
       },
-      d: { isLeaf: true, type: 'boolean', value: true },
-      e: { isLeaf: true, type: 'array', value: [1, 2, 3] },
     };
     expect(getFunctionOutputSchema(testResult)).toEqual(expectedOutputSchema);
   });

packages/twenty-front/src/modules/serverless-functions/utils/getFunctionOutputSchema.ts

@@ -32,6 +32,7 @@ export const getFunctionOutputSchema = (testResult: object) => {
           if (isObject(value) && !Array.isArray(value)) {
             acc[key] = {
               isLeaf: false,
+              icon: 'IconVariable',
               value: getFunctionOutputSchema(value),
             };
           } else {
@@ -39,6 +40,7 @@ export const getFunctionOutputSchema = (testResult: object) => {
               isLeaf: true,
               value,
               type: getValueType(value),
+              icon: 'IconVariable',
             };
           }
           return acc;