fix: 修复 collect_crash_context 中凭据收集的类型不匹配

Credentials::get_all 返回 DashMap，直接 collect 会得到
Vec<(Uuid, Credentials)>，与 CrashContext.credentials 的
Vec<Credentials> 不符，导致编译失败。补上与 analyze_crash 一致的
.map(|credential| credential.1)。

packages/app-lib/src/api/logs/crash_analysis.rs

@@ -1297,6 +1297,7 @@ async fn collect_crash_context(
     let credentials = Credentials::get_all(&state.pool)
         .await?
         .into_iter()
+        .map(|credential| credential.1)
         .collect::<Vec<_>>();
     Ok(CrashContext {
         sources,