File plymouth-keep-KillMode-none.patch of Package plymouth

diff -Nura plymouth-0.9.5~git20220412.e960111/systemd-units/plymouth-start.service.in plymouth-0.9.5~git20220412.e960111_new/systemd-units/plymouth-start.service.in
--- plymouth-0.9.5~git20220412.e960111/systemd-units/plymouth-start.service.in	2022-04-15 16:39:24.000000000 +0800
+++ plymouth-0.9.5~git20220412.e960111_new/systemd-units/plymouth-start.service.in	2022-05-19 12:59:33.150307157 +0800
@@ -6,12 +6,11 @@
 Before=systemd-ask-password-plymouth.service
 ConditionKernelCommandLine=!plymouth.enable=0
 ConditionVirtualization=!container
-IgnoreOnIsolate=true
 
 [Service]
 ExecStart=@PLYMOUTH_DAEMON_DIR@/plymouthd --mode=boot --pid-file=@plymouthruntimedir@/pid --attach-to-session
 ExecStartPost=-@PLYMOUTH_CLIENT_DIR@/plymouth show-splash
 Type=forking
 RemainAfterExit=yes
-KillMode=mixed
+KillMode=none
 SendSIGKILL=no