Feature: [Feature][connector]Add flink connecotr phoenix 1.14 [Feature-609][metadata]Supports generating FlinkSQL with null and not null through metadata [Feature-635][admin]Add job instance info api [Feature-644][admin,web]Add Flink snapshot info and JobManager config in DevOps [Feature-649][admin,web]Add TaskManager info in DevOps [Feature-654][web]Add task info tab [Feature-649][admin,web]Add TaskManager table and form in DevOps [Feature-662][admin,web]Add task version history [Feature-661][web]Add job checkpoint history [Feature-666][client]Capture column type conversion exception details in CDCSOURCE [Feature-668][web]Add task manager info [Feature-663][admin,web]Add task copy feature Fix: [Fix-577][web]Fix datastudio datasource alias is "" [Fix-574][web]Fix datastudio tabs close_other can not close first tab [Fix-576][admin]Fix the exception caused by metadata switching [Fix][gateway]Fix flinkLibPath in K8S configuration is null and cluster-id in test k8s-cluster-config is null [Fix][common]Fix semicolon exception at the end of FlinkSql [Fix][core]Fix K8S cluster configuration can't get custom configuration [Fix-596][admin]Fix NPE on running yarn per-job app [Fix-603][admin]Fix task information will be cleared when refreshing tasks that have lost connection [Fix-140][core]Fix 'table.local-time-zone' parameter is invalid [Fix-607][dlink-alert-email]Fix ClassNotFoundException: javax.mail.Address [Fix-621][core]Fix can't explain 'show datatbases' [Fix][core]Fix setParentId method space determination error [Fix-608][client]Fix can't create a flink table when table name is a sql reserved word in CDCSOURCE [Fix-629][core]Fix lineage of the same field name cannot be correctly resolved [Fix][web]Fix cluster configuration page bug [Fix-638][alert]Fix the email alarm notification cannot customize the nickname [Fix][connector]Fix dlink-connector-phoenix-1.14 build error [Fix-670][metadata]Fix Oracle column nullable error [Fix-674][client]Support MySQL varbinary and binary in CDCSOURCE Optimization & Improve: [Optimization-575][web]Optimize tree search results highlight & & selected backgroundColor [Optimization-605][web]Optimize the alias is empty in several places [Optimization][client]Optimize explainSqlRecord [Optimization-627][web]Optimization cluster instance page [Optimization-633][web]Optimization lineage refresh [Optimization-641][admin]Optimize job instance api [Optimization-640][alert,web]Optimization all Alert of sendMsg