fix: don't reject type update for generics

jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeUpdate.java

@@ -181,7 +181,6 @@ public final class TypeUpdate {
 				return true;
 
 			case WIDER:
-			case WIDER_BY_GENERIC:
 				return bound.getBound() != BoundEnum.USE;
 
 			case NARROW:
@@ -190,6 +189,7 @@ public final class TypeUpdate {
 				}
 				return true;
 
+			case WIDER_BY_GENERIC:
 			case NARROW_BY_GENERIC:
 				// allow replace object to same object with known generic type
 				// due to incomplete information about external methods and fields

jadx-core/src/test/java/jadx/tests/integration/types/TestGenerics.java

@@ -0,0 +1,39 @@
+package jadx.tests.integration.types;
+
+import org.junit.Test;
+
+import jadx.core.dex.nodes.ClassNode;
+import jadx.tests.api.IntegrationTest;
+
+import static jadx.tests.api.utils.JadxMatchers.containsOne;
+import static org.junit.Assert.assertThat;
+
+public class TestGenerics extends IntegrationTest {
+
+	public static class TestCls<T> {
+		private T data;
+
+		public TestCls<T> data(T t) {
+			this.data = t;
+			return this;
+		}
+	}
+
+	@Test
+	public void test() {
+		ClassNode cls = getClassNode(TestCls.class);
+		String code = cls.getCode().toString();
+
+		assertThat(code, containsOne("TestCls<T> data(T t) {"));
+	}
+
+	@Test
+	public void test2() {
+//		setFallback();
+		noDebugInfo();
+		ClassNode cls = getClassNode(TestCls.class);
+		String code = cls.getCode().toString();
+
+		assertThat(code, containsOne("TestCls<T> data(T t) {"));
+	}
+}