Address SonarLint findings in JniApi class

source/ls-std/core/jni/JniApi.cpp

@@ -3,7 +3,7 @@
 * Company:         Lynar Studios
 * E-Mail:          webmaster@lynarstudios.com
 * Created:         2023-04-07
-* Changed:         2023-04-11
+* Changed:         2023-05-16
 *
 * */
 
@@ -14,10 +14,9 @@ using ls::std::core::NullPointerArgumentEvaluator;
 using ls::std::core::experimental::JniApi;
 using std::string;
 
-JniApi::JniApi(JNIEnv *_environment)
+JniApi::JniApi(JNIEnv *_environment) : environment(_environment)
 {
   NullPointerArgumentEvaluator{_environment, "Java environment is not being provided!"}.evaluate();
-  this->environment = _environment;
 }
 
 JniApi::~JniApi() noexcept = default;