fix(editor): rework disable middle click settings for linux (#11556)

fix BS-3028
Unfortunately, I don't find out a way to disable this behavior on ff linux

packages/frontend/core/src/modules/editor-setting/schema.ts

@@ -35,7 +35,7 @@ const AffineEditorSettingSchema = z.object({
     ])
     .default('open-in-active-view'),
   // linux only:
-  disableMiddleClickPaste: z.boolean().default(false),
+  enableMiddleClickPaste: z.boolean().default(false),
 });
 
 export const EditorSettingSchema = BSEditorSettingSchema.merge(