Fedora isn't respecting "Pause Media Players when suspending" setting

When I play audio with Spotify, Fedora goes to sleep after 15 Mins., as per my KDE energy settings:

However, it’s not supposed to pause media playback,. as per this setting:

…but it always does. What can I do to investigate this problem?

My system info:

ben@golem-fdr:~$ inxi -v 3
System:
  Host: golem-fdr Kernel: 6.7.3-200.fc39.x86_64 arch: x86_64 bits: 64
    compiler: gcc v: 2.40-14.fc39 Desktop: KDE Plasma v: 5.27.10 Distro: Fedora
    release 39 (Thirty Nine)
Machine:
  Type: Desktop System: Micro (HK) Tech product: HX80G v: N/A
    serial: <superuser required>
  Mobo: Shenzhen Meigao Equipment model: F6BBA serial: <superuser required>
    UEFI: American Megatrends LLC. v: 0.22 date: 12/13/2022
CPU:
  Info: 8-core model: AMD Ryzen 7 5800H with Radeon Graphics bits: 64
    type: MT MCP arch: Zen 3 rev: 0 cache: L1: 512 KiB L2: 4 MiB L3: 16 MiB
  Speed (MHz): avg: 1182 high: 3085 min/max: 400/4463 cores: 1: 2391 2: 400
    3: 400 4: 400 5: 2319 6: 400 7: 2629 8: 400 9: 400 10: 2019 11: 400 12: 400
    13: 400 14: 2476 15: 400 16: 3085 bogomips: 102208
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
  Device-1: AMD Navi 23 [Radeon RX 6600/6600 XT/6600M] driver: amdgpu
    v: kernel arch: RDNA-2 bus-ID: 03:00.0
  Device-2: AMD Cezanne [Radeon Vega Series / Radeon Mobile Series]
    driver: amdgpu v: kernel arch: GCN-5 bus-ID: 07:00.0 temp: 41.0 C
  Display: wayland server: X.org v: 1.20.14 with: Xwayland v: 23.2.4
    compositor: kwin_wayland driver: X: loaded: amdgpu
    unloaded: fbdev,modesetting,radeon,vesa dri: radeonsi gpu: amdgpu,amdgpu
    resolution: 1920x1080
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 23.3.5 glx-v: 1.4
    direct-render: yes renderer: AMD Radeon RX 6600M (radeonsi navi23 LLVM
    17.0.6 DRM 3.57 6.7.3-200.fc39.x86_64)
Network:
  Device-1: Intel Ethernet I226-V driver: igc v: kernel port: N/A
    bus-ID: 04:00.0
  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: 1c:83:41:32:b7:c3
  Device-2: MEDIATEK MT7921K Wi-Fi 6E 80MHz driver: mt7921e v: kernel
    bus-ID: 05:00.0
  IF: wlp5s0 state: down mac: 8a:08:90:e7:63:6a
Drives:
  Local Storage: total: 1.82 TiB used: 495.46 GiB (26.6%)
Info:
  Processes: 574 Uptime: 3h 19m Memory: total: 16 GiB note: est.
  available: 15.04 GiB used: 9.11 GiB (60.6%) Init: systemd
  target: graphical (5) Compilers: N/A Packages: 92 note: see --rpm
  Shell: Bash v: 5.2.26 inxi: 3.3.31