fix: resolve ClassCastException on encoded value access (#946)

jadx-core/src/main/java/jadx/core/codegen/RegionGen.java

@@ -287,9 +287,9 @@ public class RegionGen extends InsnGen {
 				staticField(code, fn.getFieldInfo());
 				// print original value, sometimes replaced with incorrect field
 				FieldInitAttr valueAttr = fn.get(AType.FIELD_INIT);
-				if (valueAttr != null) {
+				if (valueAttr != null && valueAttr.getValueType() == FieldInitAttr.InitType.CONST) {
 					Object value = valueAttr.getEncodedValue();
-					if (value != null && valueAttr.getValueType() == FieldInitAttr.InitType.CONST) {
+					if (value != null) {
 						code.add(" /*").add(value.toString()).add("*/");
 					}
 				}

jadx-core/src/main/java/jadx/core/dex/info/ConstStorage.java

@@ -72,9 +72,9 @@ public class ConstStorage {
 			if (accFlags.isStatic() && accFlags.isFinal()) {
 				FieldInitAttr fv = f.get(AType.FIELD_INIT);
 				if (fv != null
-						&& fv.getEncodedValue() != null
 						&& fv.getValueType() == FieldInitAttr.InitType.CONST
-						&& fv != FieldInitAttr.NULL_VALUE) {
+						&& fv != FieldInitAttr.NULL_VALUE
+						&& fv.getEncodedValue() != null) {
 					addConstField(cls, f, fv.getEncodedValue().getValue(), accFlags.isPublic());
 				}
 			}