[release/v1.2] fix: improve leader failover reconnection and error mapping#482

w1am merged 3 commits intorelease/v1.2kurrent-io/KurrentDB-Client-NodeJS:release/v1.2from

cherry-pick/480/w1am/improve-error-mapping-release/v1.2kurrent-io/KurrentDB-Client-NodeJS:cherry-pick/480/w1am/improve-error-mapping-release/v1.2Copy head branch name to clipboard