optimize: fix some spell errors in code and comments

[slievrly]

• I have read the CONTRIBUTING.md guidelines.
• I have registered the PR changes.

Ⅰ. Describe what this PR did

fix some spell errors in code and comments

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.72%. Comparing base (ca44cfe) to head (8beff2a).
⚠️ Report is 17 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
...ain/java/org/apache/seata/server/ServerRunner.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x    #7710      +/-   ##
============================================
+ Coverage     61.50%   61.72%   +0.22%     
- Complexity      680      682       +2     
============================================
  Files          1323     1324       +1     
  Lines         49930    50046     +116     
  Branches       5881     5910      +29     
============================================
+ Hits          30709    30892     +183     
+ Misses        16433    16369      -64     
+ Partials       2788     2785       -3     

Files with missing lines	Coverage Δ
...che/seata/common/util/NetAddressValidatorUtil.java	76.92% <ø> (ø)
...ta/spring/boot/autoconfigure/StarterConstants.java	100.00% <ø> (ø)
.../src/main/java/org/apache/seata/server/Server.java	74.28% <100.00%> (ø)
...ain/java/org/apache/seata/server/ServerRunner.java	65.62% <0.00%> (ø)

... and 53 files with indirect coverage changes

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[psxjoy]

Interesting PR.
While checking the changes, I found some typos that I had previously thought were correct :)