Add more missing opens for Gson to correctly work

Author: ShadelessFox

decima-ext-model-exporter/src/main/java/module-info.java

@@ -14,6 +14,7 @@
     requires org.slf4j;
 
     opens com.shade.decima.ui.data.viewer.model.menu;
+    opens com.shade.decima.ui.data.viewer.model.dmf to com.google.gson;
 
     uses com.shade.decima.ui.data.viewer.model.ModelExporterProvider;
 

decima-ui/src/main/java/module-info.java

@@ -16,7 +16,7 @@
     requires java.prefs;
     requires org.slf4j;
 
-    opens com.shade.decima.cli.commands to info.picocli;
+    opens com.shade.decima.cli.commands to info.picocli, com.google.gson;
     opens com.shade.decima.cli to info.picocli;
     opens com.shade.decima.ui.bookmarks.actions;
     opens com.shade.decima.ui.bookmarks.impl;