chore(editor): hide file and doc import entries for mobile (#11648)

Close [BS-2926](https://linear.app/affine-design/issue/BS-2926/【移动端-ios】-选择import，无反应)
Close [BS-2927](https://linear.app/affine-design/issue/BS-2927/【移动端-ios】隐藏toolbar上附件入口)

blocksuite/affine/blocks/root/src/widgets/keyboard-toolbar/config.ts

@@ -428,8 +428,7 @@ const contentMediaToolGroup: KeyboardToolPanelGroup = {
     {
       name: 'Attachment',
       icon: AttachmentIcon(),
-      showWhen: ({ std }) =>
-        std.store.schema.flavourSchemaMap.has('affine:attachment'),
+      showWhen: () => false,
       action: async ({ std }) => {
         const [_, { selectedModels }] = std.command.exec(
           getSelectedModelsCommand
@@ -1029,8 +1028,7 @@ export const defaultKeyboardToolbarConfig: KeyboardToolbarConfig = {
     {
       name: 'Attachment',
       icon: AttachmentIcon(),
-      showWhen: ({ std }) =>
-        std.store.schema.flavourSchemaMap.has('affine:attachment'),
+      showWhen: () => false,
       action: async ({ std }) => {
         const [_, { selectedModels }] = std.command.exec(
           getSelectedModelsCommand

blocksuite/affine/widgets/linked-doc/src/config.ts

@@ -16,6 +16,7 @@ import {
   isFuzzyMatch,
   type Signal,
 } from '@blocksuite/affine-shared/utils';
+import { IS_MOBILE } from '@blocksuite/global/env';
 import {
   type BlockStdScope,
   ConfigExtensionFactory,
@@ -175,9 +176,7 @@ export function createNewDocMenuGroup(
     docName.slice(0, DISPLAY_NAME_LENGTH) +
     (docName.length > DISPLAY_NAME_LENGTH ? '..' : '');
 
-  return {
-    name: 'New Doc',
-    items: [
+  const items: LinkedMenuItem[] = [
     {
       key: 'create',
       name: `Create "${displayDocName}" doc`,
@@ -192,8 +191,7 @@ export function createNewDocMenuGroup(
           inlineEditor,
           docId: newDoc.id,
         });
-          const telemetryService =
-            editorHost.std.getOptional(TelemetryProvider);
+        const telemetryService = editorHost.std.getOptional(TelemetryProvider);
         telemetryService?.track('LinkedDocCreated', {
           control: 'new doc',
           module: 'inline @',
@@ -207,7 +205,10 @@ export function createNewDocMenuGroup(
         });
       },
     },
-      {
+  ];
+
+  if (!IS_MOBILE) {
+    items.push({
       key: 'import',
       name: 'Import',
       icon: ImportIcon,
@@ -240,8 +241,12 @@ export function createNewDocMenuGroup(
           onFail,
         });
       },
-      },
-    ],
+    });
+  }
+
+  return {
+    name: 'New Doc',
+    items,
   };
 }