refactor: share trimmed list normalization in provider helpers

extensions/msteams/src/probe.ts

@@ -1,4 +1,8 @@
-import type { BaseProbeResult, MSTeamsConfig } from "openclaw/plugin-sdk/msteams";
+import {
+  normalizeStringEntries,
+  type BaseProbeResult,
+  type MSTeamsConfig,
+} from "openclaw/plugin-sdk/msteams";
 import { formatUnknownError } from "./errors.js";
 import { loadMSTeamsSdkWithAuth } from "./sdk.js";
 import { readAccessToken } from "./token-response.js";
@@ -35,7 +39,7 @@ function readStringArray(value: unknown): string[] | undefined {
   if (!Array.isArray(value)) {
     return undefined;
   }
-  const out = value.map((entry) => String(entry).trim()).filter(Boolean);
+  const out = normalizeStringEntries(value);
   return out.length > 0 ? out : undefined;
 }