PluginXmlExtensionRegistration

Reports problems with extension registration in plugin.xml.

The following problems are reported:

• Missing language declaration. If the extension does not target a specific language, use quick fix to create an explicit declaration for "any language".
• Inspections: missing attributes
• Intention: redundant descriptionDirectoryName declaration
• Services: redundant serviceInterface declaration
• com.intellij.stubElementTypeHolder without externalIdPrefix, see Stub Indexes
• com.intellij.statusBarWidgetFactory without id
• com.intellij.applicationConfigurable|projectConfigurable without displayName/key

New in 2022.3