fix(KotlinClientCodegen): store parsed bool values in additionalProperties

Author: atomgomba

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinClientCodegen.java

@@ -417,9 +417,9 @@ public void processOpts() {
         if (hasConflict) {
             LOGGER.warn("You specified RxJava versions 1 and 2 and 3 or Coroutines together, please choose one of them.");
         } else if (hasRx3) {
-            this.setUseRxJava3(Boolean.parseBoolean(additionalProperties.get(USE_RX_JAVA3).toString()));
+            setUseRxJava3(convertPropertyToBooleanAndWriteBack(USE_RX_JAVA3));
         } else if (hasCoroutines) {
-            this.setUseCoroutines(Boolean.parseBoolean(additionalProperties.get(USE_COROUTINES).toString()));
+            setUseCoroutines(convertPropertyToBooleanAndWriteBack(USE_COROUTINES));
         }
 
         if (!hasRx3 && !hasCoroutines) {
@@ -447,7 +447,11 @@ public void processOpts() {
         }
 
         if (additionalProperties.containsKey(OMIT_GRADLE_WRAPPER)) {
-            setOmitGradleWrapper(Boolean.parseBoolean(additionalProperties.get(OMIT_GRADLE_WRAPPER).toString()));
+            setOmitGradleWrapper(convertPropertyToBooleanAndWriteBack(OMIT_GRADLE_WRAPPER));
+        }
+
+        if (additionalProperties.containsKey(USE_SPRING_BOOT3)) {
+            convertPropertyToBooleanAndWriteBack(USE_SPRING_BOOT3);
         }
 
         if (additionalProperties.containsKey(CodegenConstants.SERIALIZATION_LIBRARY)) {
@@ -467,13 +471,12 @@ public void processOpts() {
         }
 
         if (additionalProperties.containsKey(GENERATE_ONEOF_ANYOF_WRAPPERS)) {
-            setGenerateOneOfAnyOfWrappers(Boolean.parseBoolean(additionalProperties.get(GENERATE_ONEOF_ANYOF_WRAPPERS).toString()));
+            setGenerateOneOfAnyOfWrappers(convertPropertyToBooleanAndWriteBack(GENERATE_ONEOF_ANYOF_WRAPPERS));
         }
 
         if (additionalProperties.containsKey(FAIL_ON_UNKNOWN_PROPERTIES)) {
-            setFailOnUnknownProperties(Boolean.parseBoolean(additionalProperties.get(FAIL_ON_UNKNOWN_PROPERTIES).toString()));
+            setFailOnUnknownProperties(convertPropertyToBooleanAndWriteBack(FAIL_ON_UNKNOWN_PROPERTIES));
         } else {
-            additionalProperties.put(FAIL_ON_UNKNOWN_PROPERTIES, false);
             setFailOnUnknownProperties(false);
         }