fix: begin fixing linux support

src/components/StartButton.vue

@@ -99,18 +99,21 @@ const createShortcut = async () => {
     }
 };
 
+const hasShortcut = ref(false);
+
+(async () => {
+    hasShortcut.value = (
+        (await invoke('list_platform_capabilities')) as string[]
+    ).includes('shortcut');
+})();
+
 const menuItems = computed(() => {
-    const base = [
+    let base = [
         {
             label: t('start.button.unchecked'),
             icon: 'pi pi-exclamation-circle',
             command: async () => await startline(true, false),
         },
-        {
-            label: t('start.button.shortcut'),
-            icon: 'pi pi-link',
-            command: createShortcut,
-        },
         {
             label: t('start.button.help'),
             icon: 'pi pi-question-circle',
@@ -123,6 +126,16 @@ const menuItems = computed(() => {
     if (prf.current === null) {
         return [];
     }
+    if (hasShortcut.value === true) {
+        base = [
+            ...base,
+            {
+                label: t('start.button.shortcut'),
+                icon: 'pi pi-link',
+                command: createShortcut,
+            },
+        ];
+    }
     if (prf.current.meta.game === 'chunithm') {
         return base;
     }
@@ -181,7 +194,9 @@ const tryStart = () => {
             }
         "
     />
-    <ContextMenu ref="menu" :model="menuItems" />
+    <Lazy>
+        <ContextMenu ref="menu" :model="menuItems" />
+    </Lazy>
     <Button
         v-if="startStatus === 'ready'"
         v-tooltip="disabledTooltip"