treewide: De-inline uses of lib.boolToString

This commit should not change eval results

nixos/modules/services/security/fail2ban.nix

@@ -282,12 +282,12 @@ in
     services.fail2ban.jails.DEFAULT = ''
       ${optionalString cfg.bantime-increment.enable ''
         # Bantime incremental
-        bantime.increment    = ${if cfg.bantime-increment.enable then "true" else "false"}
+        bantime.increment    = ${boolToString cfg.bantime-increment.enable}
         bantime.maxtime      = ${cfg.bantime-increment.maxtime}
         bantime.factor       = ${cfg.bantime-increment.factor}
         bantime.formula      = ${cfg.bantime-increment.formula}
         bantime.multipliers  = ${cfg.bantime-increment.multipliers}
-        bantime.overalljails = ${if cfg.bantime-increment.overalljails then "true" else "false"}
+        bantime.overalljails = ${boolToString cfg.bantime-increment.overalljails}
       ''}
       # Miscellaneous options
       ignoreip    = 127.0.0.1/8 ${optionalString config.networking.enableIPv6 "::1"} ${concatStringsSep " " cfg.ignoreIP}

nixos/modules/services/security/usbguard.nix

@@ -19,13 +19,13 @@ let
     PresentDevicePolicy=${cfg.presentDevicePolicy}
     PresentControllerPolicy=${cfg.presentControllerPolicy}
     InsertedDevicePolicy=${cfg.insertedDevicePolicy}
-    RestoreControllerDeviceState=${if cfg.restoreControllerDeviceState then "true" else "false"}
+    RestoreControllerDeviceState=${boolToString cfg.restoreControllerDeviceState}
     # this does not seem useful for endusers to change
     DeviceManagerBackend=uevent
     IPCAllowedUsers=${concatStringsSep " " cfg.IPCAllowedUsers}
     IPCAllowedGroups=${concatStringsSep " " cfg.IPCAllowedGroups}
     IPCAccessControlFiles=/var/lib/usbguard/IPCAccessControl.d/
-    DeviceRulesWithPort=${if cfg.deviceRulesWithPort then "true" else "false"}
+    DeviceRulesWithPort=${boolToString cfg.deviceRulesWithPort}
     # HACK: that way audit logs still land in the journal
     AuditFilePath=/dev/null
   '';