bugfix: available_services types and getter in topbar

Signed-off-by: Stefan Dej <meteyou@gmail.com>

src/components/TheTopCornerMenu.vue

@@ -59,7 +59,7 @@ export default class TheTopCornerMenu extends Mixins(BaseMixin) {
     showMenu = false
 
     get services() {
-        const services = this.$store.state.server.system_info.available_services?.filter((name: string) => name !== 'klipper_mcu') ?? []
+        const services = this.$store.state.server.system_info?.available_services?.filter((name: string) => name !== 'klipper_mcu') ?? []
         services.sort()
         return services
     }

src/store/server/types.ts

@@ -16,7 +16,7 @@ export interface ServerState {
         [key: string]: any
     },
     system_info: {
-        available_services: { [key: number]: string }[]
+        available_services: string[]
         cpu_info: ServerStateCpuInfo
         distribution: ServerStateDistribution
         sd_info: ServerStateSdInfo