[AI] Collapse NativeToolBinder to a single bind() entry (#20051)

The binder doesnt need an agent or full tool context -- just a model and
options.
Single `bind(model, options)` entry!


Builds on #20022.

packages/twenty-server/src/engine/metadata-modules/ai/ai-agent-execution/services/agent-async-executor.service.ts

@@ -150,7 +150,6 @@ export class AgentAsyncExecutorService {
           rolePermissionConfig: effectiveRoleConfig ?? { unionOf: [] },
           authContext,
           actorContext,
-          agent: agent as unknown as ToolProviderContext['agent'],
           userId:
             isDefined(authContext) && isUserAuthContext(authContext)
               ? authContext.user.id
@@ -169,8 +168,10 @@ export class AgentAsyncExecutorService {
           },
         );
 
-        const nativeTools =
-          await this.nativeToolBinder.bind(toolProviderContext);
+        const nativeTools = this.nativeToolBinder.bind(registeredModel, {
+          webSearchEnabled:
+            agent.modelConfiguration?.webSearch?.enabled === true,
+        });
 
         tools = {
           ...registryTools,