Fix Coding conventions

modules/dashboards_matomo/src/Plugin/Dashboard/Browser.php

...les/dashboards_matomo/src/Plugin/Dashboard/MatomoBase.php

modules/dashboards_matomo/src/Plugin/Dashboard/OsVersion.php

modules/dashboards_matomo/src/Plugin/Dashboard/TopUrls.php

...dashboards_matomo/src/Plugin/Dashboard/VisitStatistic.php

...s/dashboards_webform/src/Plugin/Dashboard/Submissions.php

src/Entity/DashboardViewBuilder.php

src/Form/DashboardsSettingsForm.php

src/Plugin/Dashboard/RssNews.php

src/Plugin/DashboardLazyBuildBase.php

src/Plugin/DashboardLazyBuildInterface.php

src/Plugin/SectionStorage/DashboardSectionStorage.php