Apply suggestions by @kske

Additionally fixed three bugs/ inconsistencies:
- status changing keyboard shortcuts are present again
- deleted cells no longer show a hand cursor
- any event method in LocalDB needing higher priority now has priority
500

common/src/main/java/envoy/util/SerializationUtils.java

@@ -105,7 +105,7 @@ public final class SerializationUtils {
 			file.createNewFile();
 		}
 		try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file))) {
-			for (final var obj : objs)
+			for (var obj : objs)
 				out.writeObject(obj);
 		}
 	}
@@ -119,7 +119,7 @@ public final class SerializationUtils {
 	 * @since Envoy Common v0.2-alpha
 	 */
 	public static byte[] writeToByteArray(Object obj) throws IOException {
-		final var baos = new ByteArrayOutputStream();
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
 		try (ObjectOutputStream oout = new ObjectOutputStream(baos)) {
 			oout.writeObject(obj);
 		}
@@ -137,10 +137,10 @@ public final class SerializationUtils {
 	 */
 	public static void writeBytesWithLength(Object obj, OutputStream out) throws IOException {
 		// Serialize object to byte array
-		final var objBytes = writeToByteArray(obj);
+		byte[] objBytes = writeToByteArray(obj);
 
 		// Get length of byte array in bytes
-		final var objLen = intToBytes(objBytes.length);
+		byte[] objLen = intToBytes(objBytes.length);
 
 		// Write length and byte array
 		out.write(objLen);