Update workspace entities to make all TEXT nullable (#16144)

Follow up on #15926

---------

Co-authored-by: Etienne <45695613+etiennejouan@users.noreply.github.com>
Co-authored-by: guillim <guigloo@msn.com>

packages/twenty-server/src/engine/metadata-modules/flat-agent/utils/transform-standard-agent-definition-to-flat-agent.util.ts

@@ -7,8 +7,11 @@ export const transformStandardAgentDefinitionToFlatAgent = (
   standardAgentDefinition: StandardAgentDefinition,
   workspaceId: string,
 ): FlatAgent => {
-  const { standardRoleId: _standardRoleId, ...agentData } =
-    standardAgentDefinition;
+  const {
+    standardRoleId: _standardRoleId,
+    outputStrategy: _outputStrategy,
+    ...agentData
+  } = standardAgentDefinition;
 
   return {
     ...agentData,