a bunch of fixes for error handling (#19627)

- handle errFileCorrupt properly
- micro-optimization of sending done() response quicker
  to close the goroutine.
- fix logger.Event() usage in a couple of places
- handle the rest of the client to return a different error other than
  lastErr() when the client is closed.

cmd/object-handlers_test.go

@@ -1237,6 +1237,7 @@ func testAPIPutObjectStreamSigV4Handler(obj ObjectLayer, instanceType, bucketNam
 		if err != nil {
 			t.Fatalf("Error injecting faults into the request: <ERROR> %v.", err)
 		}
+
 		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
 		// Call the ServeHTTP to execute the handler,`func (api objectAPIHandlers) GetObjectHandler`  handles the request.
 		apiRouter.ServeHTTP(rec, req)