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 Add delete logic to a new action since we do not want to tightly couple the staging and background task API
LPS-45449 Update usages
LPS-45449 Remove unused code
LPS-45449 Language key
LPS-45449 Source formatting