Pass flexfec_sender only to the protected media send stream.

Fixes a regression from cl
https://webrtc-review.googlesource.com/c/src/+/123187.

Bug: webrtc:7135
Change-Id: Ifdbb3a3fd61610ac2b4d1f454aef71791f2a5b04
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127286
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27075}

call/rtp_video_sender.cc

diff --git a/call/rtp_video_sender.cc b/call/rtp_video_sender.cc
index 4446e64..7b7f350 100644
--- a/call/rtp_video_sender.cc
+++ b/call/rtp_video_sender.cc
@@ -123,9 +123,9 @@
     rtp_rtcp->SetRTCPStatus(RtcpMode::kCompound);
 
     auto sender_video = absl::make_unique<RTPSenderVideo>(
-        configuration.clock, rtp_rtcp->RtpSender(), flexfec_sender,
-        playout_delay_oracle.get(), frame_encryptor,
-        crypto_options.sframe.require_frame_encryption,
+        configuration.clock, rtp_rtcp->RtpSender(),
+        configuration.flexfec_sender, playout_delay_oracle.get(),
+        frame_encryptor, crypto_options.sframe.require_frame_encryption,
         FieldTrialBasedConfig());
     rtp_streams.emplace_back(std::move(playout_delay_oracle),
                              std::move(rtp_rtcp), std::move(sender_video));