HHH-18377 Removed masking that is not needed

Author: cigaly

hibernate-core/src/main/java/org/hibernate/id/uuid/UuidVersion6Strategy.java

@@ -112,7 +112,7 @@ public UUID generateUuid(final SharedSessionContractImplementor session) {
 				// LSB bits 0-1 - variant = 4
 				0x8000_0000_0000_0000L
 				// LSB bits 2-15 - clock sequence
-				| ( state.lastSequence & 0x3FFFL ) << 48
+				| (long) state.lastSequence << 48
 				// LSB bits 16-63 - pseudorandom data, least significant bit of the first octet is set to 1
 				| randomNode()
 		);

hibernate-core/src/main/java/org/hibernate/id/uuid/UuidVersion7Strategy.java

@@ -116,7 +116,7 @@ public UUID generateUuid(final SharedSessionContractImplementor session) {
 				// LSB bits 0-1 - variant = 4
 				0x8000_0000_0000_0000L
 				// LSB bits 2-15 - counter
-				| ( state.lastSequence & 0x3FFFL ) << 48
+				| (long) state.lastSequence << 48
 				// LSB bits 16-63 - pseudorandom data
 				| randomNode()
 		);