LMS-2153 refactoring: isSimpleMode() -> isSimpleOrEmbeddedMode()

...ent/web/client/application/AbstractPluginViewContext.java

...openbis/generic/client/web/client/application/Client.java

...eric/client/web/client/application/CommonViewContext.java

...s/generic/client/web/client/application/IViewContext.java

.../generic/client/web/client/application/ProjectViewer.java

...s/generic/client/web/client/application/SearchWidget.java

...eric/client/web/client/application/framework/AppView.java

.../web/client/application/framework/WelcomePanelHelper.java

...plication/model/renderer/MaterialPropertyColRenderer.java

...eric/client/web/client/application/ui/AbstractViewer.java

...b/client/application/ui/attachment/AttachmentBrowser.java

.../client/application/ui/data/AbstractExternalDataGrid.java

...ient/application/ui/experiment/ExperimentBrowserGrid.java

...t/web/client/application/ui/grid/AbstractBrowserGrid.java

.../web/client/application/ui/grid/ColumnSettingsDialog.java

.../application/ui/managed_property/ManagedPropertyGrid.java

...b/client/application/ui/material/MaterialBrowserGrid.java

...t/web/client/application/ui/sample/SampleBrowserGrid.java

...b/client/application/dataset/AbstractDataSetsSection.java

.../web/client/application/dataset/GenericDataSetViewer.java