support char[] for generic invoke, #2003

[diecui1202]

What is the purpose of the change

support char[] for generic invoke

Brief changelog

dubbo-common/src/main/java/com/alibaba/dubbo/common/utils/CompatibleTypeUtils.java

Verifying this change

add testcase

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[codecov-io]

Codecov Report

Merging #2138 into master will increase coverage by 0.02%.
The diff coverage is 57.14%.

@@             Coverage Diff              @@
##             master    #2138      +/-   ##
============================================
+ Coverage     54.14%   54.17%   +0.02%     
- Complexity     5091     5092       +1     
============================================
  Files           559      559              
  Lines         24931    24941      +10     
  Branches       4442     4444       +2     
============================================
+ Hits          13500    13511      +11     
+ Misses         9391     9388       -3     
- Partials       2040     2042       +2

Impacted Files	Coverage Δ	Complexity Δ
...apache/dubbo/common/utils/CompatibleTypeUtils.java	61.85% <57.14%> (+0.74%)	30 <0> (+1)	⬆️
...onfig/spring/extension/SpringExtensionFactory.java	78.57% <0%> (-7.15%)	10% <0%> (ø)
...org/apache/dubbo/rpc/filter/ActiveLimitFilter.java	77.77% <0%> (-5.56%)	5% <0%> (-1%)
...rpc/protocol/dubbo/telnet/InvokeTelnetHandler.java	51.89% <0%> (-3.8%)	11% <0%> (-2%)
...bo/remoting/transport/netty/NettyCodecAdapter.java	53.12% <0%> (-1.57%)	3% <0%> (ø)
...he/dubbo/remoting/transport/netty/NettyClient.java	72.88% <0%> (-1.26%)	12% <0%> (ø)
...e/dubbo/remoting/transport/netty4/NettyClient.java	63.33% <0%> (-1.08%)	11% <0%> (ø)
...ache/dubbo/remoting/transport/mina/MinaClient.java	58.46% <0%> (-0.92%)	9% <0%> (ø)
.../dubbo/remoting/transport/netty4/NettyChannel.java	66.25% <0%> (+1.25%)	23% <0%> (+1%)	⬆️
... and 2 more

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[diecui1202]

The same to #2137

[zonghaishang]

It looks good to me