chore(server): patch dart openapi assertion (#2914)

* chore(server): patch dart openapi assertion

* remove unused file

server/openapi-generator/templates/mobile/serialization/native/native_class.mustache

@@ -120,7 +120,7 @@ class {{{classname}}} {
       assert(() {
         requiredKeys.forEach((key) {
           assert(json.containsKey(key), 'Required key "{{{classname}}}[$key]" is missing from JSON.');
-          assert(json[key] != null, 'Required key "{{{classname}}}[$key]" has a null value in JSON.');
+          // assert(json[key] != null, 'Required key "{{{classname}}}[$key]" has a null value in JSON.');
         });
         return true;
       }());

server/openapi-generator/templates/mobile/serialization/native/native_class.mustache.patch

@@ -1,5 +1,5 @@
---- native_class.mustache	2023-01-04 09:58:25.683944036 -0500
-+++ native_class1.mustache	2023-01-04 09:59:43.856353945 -0500
+--- native_class.mustache	2023-06-22 12:00:16.480685565 -0500
++++ native_class1.mustache	2023-06-22 12:01:41.772534371 -0500
 @@ -91,14 +91,14 @@
      {{/isDateTime}}
      {{#isNullable}}
@@ -17,3 +17,12 @@
      }
          {{/defaultValue}}
        {{/required}}
+@@ -120,7 +120,7 @@
+       assert(() {
+         requiredKeys.forEach((key) {
+           assert(json.containsKey(key), 'Required key "{{{classname}}}[$key]" is missing from JSON.');
+-          assert(json[key] != null, 'Required key "{{{classname}}}[$key]" has a null value in JSON.');
++          // assert(json[key] != null, 'Required key "{{{classname}}}[$key]" has a null value in JSON.');
+         });
+         return true;
+       }());