Fixed a concurrent issue in basekv client

[popduke]

Make effective router immutable to prevent it from being changed accidentally

[coveralls]

Pull Request Test Coverage Report for Build 16406674644

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 22 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.02%) to 63.24%

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Files with Coverage Reduction	New Missed Lines	%
org/apache/bifromq/basekv/client/BaseKVStoreClient.java	1	0.0%
org/apache/bifromq/basekv/store/wal/KVRangeWAL.java	1	93.33%
org/apache/bifromq/dist/trie/TopicFilterIterator.java	1	73.66%
org/apache/bifromq/inbox/store/InboxStoreGCProcessor.java	1	86.27%
org/apache/bifromq/mqtt/handler/MQTTPersistentSessionHandler.java	1	74.57%
org/apache/bifromq/starter/utils/ClusterDomainUtil.java	1	75.0%
org/apache/bifromq/mqtt/handler/MQTTSessionHandler.java	3	74.46%
org/apache/bifromq/basecluster/memberlist/AutoDropper.java	6	79.21%
org/apache/bifromq/basekv/store/range/KVRangeFSM.java	7	74.42%

Totals
Change from base Build 16338342724:	-0.02%
Covered Lines:	23343
Relevant Lines:	35677

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💛 - Coveralls