Show changelog even if a repo has an update (Fix #141)

app/src/main/java/com/fox2code/mmm/module/ActionButtonType.java

@@ -98,14 +98,12 @@ public enum ActionButtonType {
                     .setIcon(R.drawable.ic_baseline_extension_24);
             CharSequence desc = moduleInfo.description;
             Markwon markwon = null;
-            if (moduleInfo instanceof LocalModuleInfo) {
+            LocalModuleInfo localModuleInfo = moduleHolder.moduleInfo;
-                LocalModuleInfo localModuleInfo = (LocalModuleInfo) moduleInfo;
+            if (localModuleInfo != null && !localModuleInfo.updateChangeLog.isEmpty()) {
-                if (!localModuleInfo.updateChangeLog.isEmpty()) {
                 markwon = MainApplication.getINSTANCE().getMarkwon();
                 // Re-render each time in cse of config changes
                 desc = markwon.toMarkdown(localModuleInfo.updateChangeLog);
             }
-            }
 
             if (desc == null || desc.length() == 0) {
                 builder.setMessage(R.string.no_desc_found);