fix: avoid error messages when service condition checks fail

Use ConditionEnvironment instead of ExecCondition for environment
variable checks. This prevents the service from being marked as failed
when the condition is not met.

Changes:
- Add ConditionEnvironment=DDE_QUICKLOGIN=true to [Unit] section
- Add ConditionEnvironment=XDG_SESSION_TYPE=%I to [Unit] section
- Remove ExecCondition shell script checks
- Apply the same fix to dde-version-checker@quick-login.service

This resolves the issue where systemd would report 'Failed to start'
error messages when the quick login conditions were not satisfied,
which could also trigger unwanted restart loops.

Log: avoid error messages when service condition checks fail
Pms: BUG-349919

Author: yixinshark

systemd/dde-session-pre.target.wants/dde-quick-login@x11.service

@@ -8,15 +8,16 @@ After=dde-session@x11.service
 PartOf=dde-session-pre.target
 Before=dde-session-pre.target
 
+# only in quick login mode and x11
+ConditionEnvironment=DDE_QUICKLOGIN=true
+ConditionEnvironment=XDG_SESSION_TYPE=%I
+
 # SuccessExitStatus=0,launch dde-lock.service
 OnSuccess=dde-lock.service dde-version-checker@quick-login.service dde-autostart@quick-login.service
 
 [Service]
 Slice=session.slice
 Type=notify
-# only in quick login mode and x11
-ExecCondition=/bin/sh -c '[ "$DDE_QUICKLOGIN" = "true" ] || exit 255'
-ExecCondition=/bin/sh -c '[ "$XDG_SESSION_TYPE" = "%I" ] || exit 255'
 ExecStart=/usr/bin/dde-quick-login
 SuccessExitStatus=0
 Restart=on-failure

tools/dde-version-checker/dde-version-checker@quick-login.service

@@ -2,6 +2,9 @@
 Description=dde-version-checker service (after quick login)
 CollectMode=inactive-or-failed
 
+# only in quick login mode
+ConditionEnvironment=DDE_QUICKLOGIN=true
+
 [Service]
 Type=simple
 ExecStart=/usr/bin/dde-version-checker