KRaft support in LeaderEpochIntegrationTest

The following tests in LeaderEpochIntegrationTest in core/src/test/scala/unit/kafka/server/epoch/LeaderEpochIntegrationTest.scala need to be updated to support KRaft

67 : def shouldAddCurrentLeaderEpochToMessagesAsTheyAreWrittenToLeader(): Unit = {

99 : def shouldSendLeaderEpochRequestAndGetAResponse(): Unit = {

144 : def shouldIncreaseLeaderEpochBetweenLeaderRestarts(): Unit = {

Scanned 305 lines. Found 0 KRaft tests out of 3 tests