fix: make correct hash calculation for GenericObject type (#705)

jadx-core/src/test/java/jadx/core/dex/instructions/args/ArgTypeTest.java

@@ -0,0 +1,16 @@
+package jadx.core.dex.instructions.args;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ArgTypeTest {
+
+	@Test
+	void testEqualsOfGenericTypes() {
+		ArgType first = ArgType.generic("java.lang.List", ArgType.STRING);
+		ArgType second = ArgType.generic("Ljava/lang/List;", ArgType.STRING);
+
+		assertEquals(first, second);
+	}
+}