Move exception's translation into AssertionResultData message

src/catch2/internal/catch_run_context.cpp

@@ -619,13 +619,13 @@ namespace Catch {
 
     void RunContext::handleUnexpectedInflightException(
             AssertionInfo const& info,
-            std::string const& message,
+            std::string&& message,
             AssertionReaction& reaction
     ) {
         m_lastAssertionInfo = info;
 
         AssertionResultData data( ResultWas::ThrewException, LazyExpression( false ) );
-        data.message = message;
+        data.message = CATCH_MOVE(message);
         AssertionResult assertionResult{ info, CATCH_MOVE(data) };
         assertionEnded( assertionResult );
         populateReaction( reaction );