Fix IMAP: import failed after authenticating to Dovecot when a capability contained :, such as IMAPSIEVE=sieve://... (fixes #43)

tests/sync_jmap.rs

@@ -1243,6 +1243,10 @@ fn apply_jmap_settings(
             .is_some(),
         "x:Jmap/set not applied: {resp}"
     );
+    assert!(
+        resp.pointer("/methodResponses/1/1/created/r").is_some(),
+        "ReloadSettings failed, so the x:Jmap/set values are not in effect: {resp}"
+    );
 }
 
 #[test]
@@ -1255,8 +1259,13 @@ fn live_blob_quota_429_triggers_retry_after_then_succeeds() {
     let fx = seeder::provision(base_url()).expect("provision");
     let acc = fx.account("test1").expect("test1");
 
+    let blob_size = 8 * 1024 * 1024;
     let mut updates = serde_json::Map::new();
     updates.insert("uploadTtl".to_owned(), serde_json::json!(5_000));
+    updates.insert(
+        "uploadQuota".to_owned(),
+        serde_json::json!(blob_size * 5 / 2),
+    );
     let _ttl_guard = JmapSettingsGuard::override_settings(updates);
 
     let client = HttpClient::new(basic("test1"), RetryPolicy::new(20), true);
@@ -1264,7 +1273,6 @@ fn live_blob_quota_429_triggers_retry_after_then_succeeds() {
     let limits = session.core_limits().expect("core limits");
     client.set_limits(&limits);
 
-    let blob_size = 8 * 1024 * 1024;
     let mut blob = vec![0u8; blob_size];
     let max_uploads = 8u32;
     let mut accepted = 0u32;