cloud: clarify reason for guard statement

Added a comment to explain the rationale behind the guard statement, which prevents potential nil errors during backend initialization and retryLogHook call.

Signed-off-by: Bruno Schaatsbergen <git@bschaatsbergen.com>

internal/cloud/backend.go

@@ -605,6 +605,13 @@ func cliConfigToken(hostname svchost.Hostname, services *disco.Disco) (string, e
 // retryLogHook is invoked each time a request is retried allowing the
 // backend to log any connection issues to prevent data loss.
 func (b *Cloud) retryLogHook(attemptNum int, resp *http.Response) {
+	// FIXME: This guard statement prevents a potential nil error
+	// due to the way the backend is initialized and the context from which
+	// this function is called.
+	//
+	// In a future refactor, we should ensure that views are natively supported
+	// in backends and allow for calling a View directly within the
+	// backend.Configure method.
 	if b.CLI != nil {
 		b.View.RetryLog(attemptNum, resp)
 	}