fix(portal-web): 去掉 legacyBehavior，会影响 target=“_blank” 在新窗口或标签中打开链接的效果

[tongchong]

目前使用的next版本13.4.10，如果增加了legacyBehavior，会影响target="_blank"的核心效果（即在新窗口或标签中打开链接），此pr去掉FileManager中的该属性，保证能在打开终端时新开页面

[changeset-bot]

🦋 Changeset detected

Latest commit: 81892d9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 7 packages

Name	Type
@scow/portal-web	Patch
@scow/auth	Patch
@scow/gateway	Patch
@scow/mis-server	Patch
@scow/mis-web	Patch
@scow/portal-server	Patch
@scow/cli	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (1269e3c) 70.68% compared to head (81892d9) 70.68%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #844   +/-   ##
=======================================
  Coverage   70.68%   70.68%           
=======================================
  Files         129      129           
  Lines        3643     3643           
  Branches      479      479           
=======================================
  Hits         2575     2575           
  Misses        976      976           
  Partials       92       92           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.