Renamed child panels of keyword search global settings panel

Adapting keyword search for parallel file ingest pipelines, renaming to clarify parent-child component relationships and make it clear what panels do what jobs.

KeywordSearchConfigurationPanel1 -> KeywordSearchGlobalListSettingsPanel
KeywordSearchConfigurationPanel2 -> KeywordSearchGlobalSearchSettingsPanel
KeywordSearchConfigurationPanel3 -> KeywordSearchGlobalLanguageSettingsPanel