fix: 搜索正文显示逻辑调整

Signed-off-by: tangshizhe <48740614+tangshizhe@users.noreply.github.com>

apps/mobile/src/ui/project-cell/index.vue

@@ -315,7 +315,7 @@ export default {
         if (postion - 10 > 0) {
           return detail.substring(postion - 10)
         } else {
-          return ''
+          return detail
         }
       } else {
         return ''