fix(sonar): modify the way how reports are identified on sonar job

    xunit_opts=""

    if [[ "$DOTNET_TEST_DISABLED" != "true" ]]; then

      local coverage_reports

      coverage_reports="$(find "${DOTNET_PROJECT_DIR}" -name 'dotnet-test.opencover.xml' | sed 's|\./||g' | paste -sd',' -)"

      coverage_reports="$(find "${DOTNET_PROJECT_DIR}" -name 'dotnet-test-*.opencover.xml' | sed 's|\./||g' | paste -sd',' -)"

      if [[ -n "$coverage_reports" ]]; then

        coverage_opts="/d:sonar.cs.opencover.reportsPaths=${coverage_reports}"

      else

        log_debug "No code coverage reports found"

      fi      

      local xunit_reports

      xunit_reports="$(find "${DOTNET_PROJECT_DIR}" -name 'dotnet-test.xunit.xml' | sed 's|\./||g' | paste -sd',' -)"

      xunit_reports="$(find "${DOTNET_PROJECT_DIR}" -name 'dotnet-test-*.xunit.xml' | sed 's|\./||g' | paste -sd',' -)"

      if [[ -n "$xunit_reports" ]]; then

        xunit_opts="/d:sonar.cs.xunit.reportsPaths=${xunit_reports}"

      else