optimize: Transfer the operation of adding configuration class from 'AutoConfiguration' to 'EnvironmentPostProcessor'

[wangliang181230]

optimize: Transfer the operation of adding configuration class from 'AutoConfiguration' to 'EnvironmentPostProcessor'.

优化：将 添加配置类的操作 从AutoConfiguration转移到EnvironmentPostProcessor中。
提升该操作的优先级，避免Bean加载了，配置类却还没有添加进去，导致读取配置异常。

[codecov-commenter]

Codecov Report

Merging #3765 (80ea35f) into develop (647e846) will decrease coverage by 0.00%.
The diff coverage is 10.00%.

❗ Current head 80ea35f differs from pull request most recent head 826d171. Consider uploading reports for the commit 826d171 to get more accurate results

@@              Coverage Diff              @@
##             develop    #3765      +/-   ##
=============================================
- Coverage      40.37%   40.36%   -0.01%     
- Complexity      3070     3071       +1     
=============================================
  Files            685      686       +1     
  Lines          23194    23201       +7     
  Branches        2869     2868       -1     
=============================================
+ Hits            9364     9366       +2     
- Misses         12960    12967       +7     
+ Partials         870      868       -2     

Impacted Files	Coverage Δ
...configure/SeataClientEnvironmentPostProcessor.java	0.00% <0.00%> (ø)
.../autoconfigure/SeataTCCFenceAutoConfiguration.java	0.00% <ø> (ø)
...boot/autoconfigure/SeataCoreAutoConfiguration.java	0.00% <0.00%> (ø)
...toconfigure/SeataCoreEnvironmentPostProcessor.java	0.00% <0.00%> (ø)
...configure/SeataServerEnvironmentPostProcessor.java	0.00% <0.00%> (ø)
...ing/boot/autoconfigure/SeataAutoConfiguration.java	0.00% <ø> (ø)
...utoconfigure/SeataDataSourceAutoConfiguration.java	0.00% <ø> (ø)
...io/seata/core/rpc/netty/AbstractNettyRemoting.java	13.63% <16.66%> (-0.94%)	⬇️
...n/src/main/java/io/seata/common/util/IdWorker.java	83.33% <0.00%> (+6.25%)	⬆️

[xingfudeshi]

LGTM.

[funky-eyes]

LGTM