fix: respect graceful mode on init

Author: typotter

src/main/java/cloud/eppo/EppoClient.java

@@ -197,8 +197,15 @@ public EppoClient buildAndInit() {
               pollingIntervalMs,
               pollingIntervalMs / DEFAULT_JITTER_INTERVAL_RATIO);
 
-      // Kick off the first fetch
-      fetchConfigurationsTask.run();
+      // Kick off the first fetch, respecting graceful mode.
+      try {
+        fetchConfigurationsTask.run();
+      } catch (RuntimeException e) {
+        log.error("Encountered Exception while loading configuration", e);
+        if (!isGracefulMode) {
+          throw e;
+        }
+      }
 
       return instance;
     }