Remote play hardware acceleration non longer working

**Distribution name and version where applicable**
PRETTY_NAME="KDE neon Testing Edition"
NAME="KDE neon"
VERSION_ID="22.04"
VERSION="Testing Edition"
VERSION_CODENAME=jammy
ID=neon
ID_LIKE="ubuntu debian"
HOME_URL="https://neon.kde.org/"
SUPPORT_URL="https://neon.kde.org/"
BUG_REPORT_URL="https://bugs.kde.org/"
PRIVACY_POLICY_URL="https://kde.org/privacypolicy/"
UBUNTU_CODENAME=jammy
LOGO=start-here-kde-neon

**Flatpak info**

**Problem description**
Last week remote play worked fine with hardware acceleration, but an update from valve make the vaapi hardware decoding not work. I see the following:
It flashes too.

When switching off hardware decoding, for the client (linux), it works fine. I only updated steam nothing else changed.
I'm not sure where to start to find more information, streaming_client.log doesn't have any error in it.

Maybe useful infos:
```
$ pgrep streaming_clien | xargs -I {} cat /proc/{}/maps | grep libva
7f44aa60b000-7f44aa60d000 r--p 00000000 fd:00 15151793 /usr/lib/x86_64-linux-gnu/libva-x11.so.2.1900.0
7f44aa60d000-7f44aa610000 r-xp 00002000 fd:00 15151793 /usr/lib/x86_64-linux-gnu/libva-x11.so.2.1900.0
7f44aa610000-7f44aa611000 r--p 00005000 fd:00 15151793 /usr/lib/x86_64-linux-gnu/libva-x11.so.2.1900.0
7f44aa611000-7f44aa612000 r--p 00005000 fd:00 15151793 /usr/lib/x86_64-linux-gnu/libva-x11.so.2.1900.0
7f44aa612000-7f44aa613000 rw-p 00006000 fd:00 15151793 /usr/lib/x86_64-linux-gnu/libva-x11.so.2.1900.0
7f44aaaa9000-7f44aaaaa000 r--p 00000000 fd:00 15152987 /usr/lib/x86_64-linux-gnu/libva-drm.so.2.1900.0
7f44aaaaa000-7f44aaaab000 r-xp 00001000 fd:00 15152987 /usr/lib/x86_64-linux-gnu/libva-drm.so.2.1900.0
7f44aaaab000-7f44aaaac000 r--p 00002000 fd:00 15152987 /usr/lib/x86_64-linux-gnu/libva-drm.so.2.1900.0
7f44aaaac000-7f44aaaad000 r--p 00002000 fd:00 15152987 /usr/lib/x86_64-linux-gnu/libva-drm.so.2.1900.0
7f44aaaad000-7f44aaaae000 rw-p 00003000 fd:00 15152987 /usr/lib/x86_64-linux-gnu/libva-drm.so.2.1900.0
7f44ae8e7000-7f44ae8ea000 r--p 00000000 fd:00 15157951 /usr/lib/x86_64-linux-gnu/libva.so.2.1900.0
7f44ae8ea000-7f44ae905000 r-xp 00003000 fd:00 15157951 /usr/lib/x86_64-linux-gnu/libva.so.2.1900.0
7f44ae905000-7f44ae915000 r--p 0001e000 fd:00 15157951 /usr/lib/x86_64-linux-gnu/libva.so.2.1900.0
7f44ae915000-7f44ae916000 r--p 0002d000 fd:00 15157951 /usr/lib/x86_64-linux-gnu/libva.so.2.1900.0
7f44ae916000-7f44ae917000 rw-p 0002e000 fd:00 15157951 /usr/lib/x86_64-linux-gnu/libva.so.2.1900.0
```

```
# on the host fs
$ ls -la /usr/lib/x86_64-linux-gnu/{libva.so.2,libva-drm.so.2,libva-x11.so.2}
lrwxrwxrwx 1 root root 21 févr. 23 2022 /usr/lib/x86_64-linux-gnu/libva-drm.so.2 -> libva-drm.so.2.1400.0
lrwxrwxrwx 1 root root 17 févr. 23 2022 /usr/lib/x86_64-linux-gnu/libva.so.2 -> libva.so.2.1400.0
lrwxrwxrwx 1 root root 21 févr. 23 2022 /usr/lib/x86_64-linux-gnu/libva-x11.so.2 -> libva-x11.so.2.1400.0
```

**Does this issue reproduce with native Steam**
Have not tested

Start by reproducing Remote Play with hardware decoding enabled on the reported KDE neon Testing Edition and compare it with hardware decoding disabled. Inspect streaming_client.log and the libva libraries shown in /proc//maps, then test whether native Steam reproduces the flashing; done means identifying a reproducible cause or confirming the affected configuration and relevant update.

Written by the indexing model from the issue text.