Enable EnableTopicCompactificationByKey (#24768)

Author: nshestakov

.github/config/muted_ya.txt

@@ -1,3 +1,4 @@
+ydb/core/persqueue/ut TPQTest.TestCompactifiedWithRetention 
 ydb/core/blobstorage/dsproxy/ut_fat TBlobStorageProxyTest.TestBatchedPutRequestDoesNotContainAHugeBlob
 ydb/core/blobstorage/pdisk/ut TPDiskTest.AllRequestsAreAnsweredOnPDiskRestart
 ydb/core/blobstorage/pdisk/ut TPDiskTest.FailedToFormatDiskInfoUpdate

ydb/core/protos/feature_flags.proto

@@ -219,7 +219,7 @@ message TFeatureFlags {
     optional bool EnableMoveColumnTable = 193 [default = true];
     optional bool EnableArrowResultSetFormat = 194 [default = false];
     optional bool EnableCsOverloadsSubscriptionRetries = 195 [default = true];
-    optional bool EnableTopicCompactificationByKey = 196 [default = false];
+    optional bool EnableTopicCompactificationByKey = 196 [default = true];
     optional bool EnableCompactionOverloadDetection = 197 [default = true];
     reserved 198; // DisableColumnShardBulkUpsertRequireAllColumns
     optional bool EnableDataShardWriteAlwaysVolatile = 199 [default = true];