removes usage of deprecated jQuery.size() (#11883)

plugins/Actions/javascripts/actionsDataTable.js

...s/CoreHome/angularjs/common/directives/field-condition.js

...reHome/angularjs/content-block/content-block.directive.js

plugins/CoreHome/angularjs/selector/selector.directive.js

...oreHome/angularjs/widget-loader/widgetloader.directive.js

plugins/CoreHome/javascripts/dataTable.js

plugins/CoreHome/javascripts/dataTable_rowactions.js

plugins/CoreHome/templates/widgetContainer.twig

plugins/CoreVisualizations/javascripts/seriesPicker.js

plugins/Dashboard/javascripts/dashboardObject.js

plugins/Dashboard/javascripts/dashboardWidget.js

plugins/Installation/javascripts/installation.js

plugins/Live/javascripts/SegmentedVisitorLog.js

plugins/Live/javascripts/rowaction.js

plugins/Morpheus/javascripts/piwikHelper.js

plugins/Overlay/client/client.js

plugins/Overlay/client/followingpages.js

plugins/Overlay/javascripts/Piwik_Overlay.js

plugins/Transitions/javascripts/transitions.js

plugins/UserCountryMap/javascripts/visitor-map.js