fix: remove field redundant array type when initialized (PR #567)

jadx-core/src/main/java/jadx/core/dex/visitors/ExtractFieldInit.java

@@ -165,6 +165,10 @@ public class ExtractFieldInit extends AbstractVisitor {
 		// all checks passed
 		for (InitInfo info : infoList) {
 			for (InsnNode putInsn : info.getPutInsns()) {
+				InsnArg arg = putInsn.getArg(0);
+				if (arg instanceof InsnWrapArg) {
+					((InsnWrapArg) arg).getWrapInsn().add(AFlag.DECLARE_VAR);
+				}
 				InsnRemover.remove(info.getConstrMth(), putInsn);
 			}
 		}

jadx-core/src/test/java/jadx/tests/integration/arrays/TestArrayInitField.java

+package jadx.tests.integration.arrays;
+
+import jadx.core.dex.nodes.ClassNode;
+import jadx.tests.api.IntegrationTest;
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class TestArrayInitField extends IntegrationTest {
+
+	public static class TestCls {
+
+		byte[] bytes = new byte[]{10, 20, 30};
+	}
+
+	@Test
+	public void test() {
+		ClassNode cls = getClassNode(TestCls.class);
+		String code = cls.getCode().toString();
+
+		assertThat(code, containsString("= {10, 20, 30};"));
+	}
+}