Catch query timeout exceptions (#5680)

Query read timeouts happen when a remote server is not available. It
breaks:
- the remote server show page
- the record table page of imported remote tables

This PR will catch the exception so it does not go to Sentry in both
cases.

Also did 2 renaming.

packages/twenty-server/src/engine/utils/graphql-errors.util.ts

@@ -157,3 +157,11 @@ export class ConflictError extends BaseGraphQLError {
     Object.defineProperty(this, 'name', { value: 'ConflictError' });
   }
 }
+
+export class TimeoutError extends BaseGraphQLError {
+  constructor(message: string, extensions?: Record<string, any>) {
+    super(message, 'TIMEOUT', extensions);
+
+    Object.defineProperty(this, 'name', { value: 'TimeoutError' });
+  }
+}