Fix CTest error handling in new_docker_build.sh

- Capture CTest exit code in CTEST_RESULT variable
- Allow script to continue after CTest failures
- Log CTest failure information without stopping build
- Enables package verification to run after test execution

qt6-after/qt6-migrated-legatus/new_docker_build.sh

@@ -1413,10 +1413,13 @@ fi
 if [[ "${RUN_CTEST}" == "ON" ]]; then
   if [[ "${INTEGRATION_TEST}" == "ON" ]]; then
     log_info "Running integration tests (Z-module + Proxies)"
-    ctest --test-dir . --output-on-failure -R "(test_z_|bld_|tab_|wls_)"
+    ctest --test-dir . --output-on-failure -R "(test_z_|bld_|tab_|wls_)" || CTEST_RESULT=$?
   else
     log_info "Running CTest"
-    ctest --test-dir . --output-on-failure
+    ctest --test-dir . --output-on-failure || CTEST_RESULT=$?
+  fi
+  if [[ "${CTEST_RESULT:-0}" -ne 0 ]]; then
+    log_info "CTest completed with failures (exit code: ${CTEST_RESULT})"
   fi
 else
   log_info "Skipping CTest"