bugfix: fix find target class issue if scan the web scope bean such a…

[zhuyoufeng]

…s session scope ben

Ⅰ. Describe what this PR did

when a session scope bean (or other web scope bean) is called by SpringProxyUtils.findTargetClass, it will throw exception as the code "targetSource.getTarget()" will call 'org.springframework.beans.factory.config.Scope' to get bean instance.

Ⅱ. Does this pull request fix one issue?

#1168

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

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #1262 into develop will not change coverage.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             develop    #1262   +/-   ##
==========================================
  Coverage      49.42%   49.42%           
  Complexity      1651     1651           
==========================================
  Files            326      326           
  Lines          11444    11444           
  Branches        1416     1416           
==========================================
  Hits            5656     5656           
  Misses          5158     5158           
  Partials         630      630

Impacted Files	Coverage Δ	Complexity Δ
...in/java/io/seata/spring/util/SpringProxyUtils.java	3.7% <0%> (ø)	3 <0> (ø)	⬇️

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[xingfudeshi]

Good!LGTM.

[CoffeeLatte007]

LGTM