Fix get wrong ProviderInfo when use reuses client transport.

[ujjboy]

Motivation:

When reuse client transport, the invoke event should not get consumer config and provider info from client transport self but from context.

Modification:

• Add InterfaceConfig to RpcInternalContext
• Use RpcInternalContext.getInterfaceConfig() instead of transport.getInterfaceConfig()
• Use RpcInternalContext.getProviderInfo() instead of transport.getProviderInfo()
• Add event to RestClientTransport

Result:

Fixes #99 in v5.3.x

[codecov-io]

Codecov Report

Merging #101 into 5.3 will increase coverage by 0.02%.
The diff coverage is 77.5%.

@@             Coverage Diff              @@
##                5.3     #101      +/-   ##
============================================
+ Coverage     63.51%   63.53%   +0.02%     
+ Complexity      585      584       -1     
============================================
  Files           263      263              
  Lines         11228    11247      +19     
  Branches       1872     1874       +2     
============================================
+ Hits           7131     7146      +15     
+ Misses         3135     3131       -4     
- Partials        962      970       +8

Impacted Files	Coverage Δ	Complexity Δ
...y/sofa/rpc/transport/rest/RestClientTransport.java	100% <ø> (+10%)	3 <0> (-1)	⬇️
...ipay/sofa/rpc/server/bolt/BoltServerProcessor.java	64.51% <100%> (+0.28%)	20 <0> (ø)	⬇️
...va/com/alipay/sofa/rpc/client/AbstractCluster.java	64.66% <100%> (+0.23%)	0 <0> (ø)	⬇️
...fa/rpc/transport/AbstractProxyClientTransport.java	59.75% <57.14%> (-0.81%)	0 <0> (ø)
...y/sofa/rpc/transport/bolt/BoltClientTransport.java	66.24% <85.71%> (-0.21%)	27 <2> (ø)
...om/alipay/sofa/rpc/context/RpcInternalContext.java	62.6% <87.5%> (+7.65%)	0 <0> (ø)	⬇️
...pay/sofa/rpc/transport/ClientTransportFactory.java	60.6% <0%> (-4.55%)	0% <0%> (ø)
...ent/aft/impl/ServiceHorizontalMeasureStrategy.java	83.65% <0%> (-2.89%)	22% <0%> (-1%)

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