fix(server): reinitialize the progress to set up graph auth friendly

[Z-HUANT]

Purpose of the PR

修复需要重新初始化数据库才能设置 auth 的问题 fixed https://github.com/apache/incubator-hugegraph/issues/125#issuecomment-717713131

Main Changes

Switch to auth-mode without removing graph data (不需要重新初始化数据库就可以设置 auth)

Verifying these changes

• [ ] Trivial rework / code cleanup without any test coverage. (No Need)
• [ ] Already covered by existing tests, such as (please modify tests here).

• [x] Need tests and can be verified as follows:

  自己测试流程如下

  1. 使用非 auth init-store 初始化图，此时无 admin 账号
  2. 使用非 auth 启动 HugeGraph，正常添加和查询数据（模拟用户操作）
  3. 使用 auth init-store 初始化图，创建 admin 账号，模拟用户运行一段时间后，数据库内有数据了后，想增加 auth
  4. 使用 auth 启动 HugeGraph，可以正常启动，权限校验正常，此时访问接口都需要账号密码
  5. 使用非 auth 启动 HugeGraph，模拟用户不想要 auth 了，此时可以正常启动，访问接口不需要账号密码

Does this PR potentially affect the following parts?

• [ ] Nope
• [ ] Dependencies (add/update license info)
• [ ] Modify configurations
• [ ] The public API
• [x] Other affects (typed here)

影响 init-store

Documentation Status

• [ ] Doc - TODO
• [x] Doc - Done
• [ ] Doc - No Need

Doc：https://github.com/apache/incubator-hugegraph-doc/pull/320

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (7965aac) 66.23% compared to head (4c00dea) 66.22%. Report is 1 commits behind head on master.

Files	Patch %	Lines
.../main/java/org/apache/hugegraph/cmd/InitStore.java	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2411 +/- ## ============================================ - Coverage 66.23% 66.22% -0.01% + Complexity 830 828 -2 ============================================ Files 511 511 Lines 42595 42596 +1 Branches 5942 5942 ============================================ - Hits 28211 28210 -1 - Misses 11568 11572 +4 + Partials 2816 2814 -2 ```

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