LPS-45449 Creating a new constant, since we didn't have any to describe the intended action
LPS-45449 Action class changes to relaunch an export configuration, also renaming the delete methods

Conflicts:
	portal-service/src/com/liferay/portal/kernel/lar/exportimportconfiguration/ExportImportConfigurationHelper.java
LPS-45449 Moving the icons into an icon menu, also adding a new icon to relaunch an export configuration
LPS-45449 Adding a model listener
LPS-45449 Source formatting
LPS-45449 Language key
LPS-45449 SF
LPS-45449 Lang keys
LPS-45757 No need to use threadpool in IndexSearcherManager.
LPS-45757 Clean up unit test
LPS-45636 Should use set instead of list to avoid duplicated fileds.
LPS-45636 SF
LPS-45636  SF
LPS-45669 SF
LPS-41779 On a mobile device, cannot table scroll in list view for Documents and Media in Site Administration
LPS-41779 - Source formatting
LPS-43359 - Long word without spaces last name will extends beyound portlet frame
LPS-43359 - Source formatting
LPS-45705 Add cross-browser mixins for flexbox
LPS-45705 - Source formatting