Slack workflow connector (#20427)

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Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: martmull <martmull@hotmail.fr>

packages/twenty-server/src/engine/core-modules/application/application-oauth-provider/refresh/types/app-oauth-tokens.type.ts

@@ -4,5 +4,5 @@
 
 export type AppOAuthTokens = {
   accessToken: string;
-  refreshToken: string;
+  refreshToken: string | null;
 };

packages/twenty-server/src/engine/core-modules/application/connection-provider/connections/services/application-connections-list.service.ts

@@ -207,7 +207,7 @@ export class ApplicationConnectionsListService {
     }
 
     try {
-      const tokens = await this.refreshTokensService.refreshAndSaveTokens(
+      const tokens = await this.refreshTokensService.resolveTokens(
         account,
         workspaceId,
       );