Fix inconsistencies in language string IDs (#2494)

core/language/en-GB/ControlPanel.multids

@@ -56,9 +56,9 @@ Parsing/Hint: Here you can globally disable individual wiki parser rules. Take c
 Parsing/Block/Caption: Block Parse Rules
 Parsing/Inline/Caption: Inline Parse Rules
 Parsing/Pragma/Caption: Pragma Parse Rules
-Plugins/Add/Hint: Install plugins from the official library
 Plugins/Add/Caption: Get more plugins
-Plugins/AlreadyInstalled: This plugin is already installed at version <$text text=<<installedVersion>>/>
+Plugins/Add/Hint: Install plugins from the official library
+Plugins/AlreadyInstalled/Hint: This plugin is already installed at version <$text text=<<installedVersion>>/>
 Plugins/Caption: Plugins
 Plugins/Disable/Caption: disable
 Plugins/Disable/Hint: Disable this plugin when reloading page
@@ -66,17 +66,17 @@ Plugins/Disabled/Status: (disabled)
 Plugins/Empty/Hint: None
 Plugins/Enable/Caption: enable
 Plugins/Enable/Hint: Enable this plugin when reloading page
-Plugins/Install: install
+Plugins/Install/Caption: install
 Plugins/Installed/Hint: Currently installed plugins:
 Plugins/Languages/Caption: Languages
 Plugins/Languages/Hint: Language pack plugins
 Plugins/NoInfoFound/Hint: No ''"<$text text=<<currentTab>>/>"'' found
-Plugins/NoInformation: No information provided
-Plugins/NotInstalled: This plugin is not currently installed
+Plugins/NoInformation/Hint: No information provided
+Plugins/NotInstalled/Hint: This plugin is not currently installed
 Plugins/OpenPluginLibrary: open plugin library
 Plugins/Plugins/Caption: Plugins
 Plugins/Plugins/Hint: Plugins
-Plugins/Reinstall: reinstall
+Plugins/Reinstall/Caption: reinstall
 Plugins/Themes/Caption: Themes
 Plugins/Themes/Hint: Theme plugins
 Saving/Caption: Saving