N°4195 - Avoid dictionary entries to be added to the setup page as it breaks the fresh install

In fresh install there is no env-xxx yet, so when the setup tries to load the english dictionary from there it crashes.
In setup pages, all string are hard coded, no dictionary entries are available (yet)

sources/application/WebPage/WebPage.php

@@ -111,6 +111,11 @@ class WebPage implements Page
 	protected $a_OutputOptions;
 	protected $bPrintable;
 	protected $bHasCollapsibleSection;
+	/**
+	 * @var bool Whether the JS dictionary entries should be added to the page or not during the final output
+	 * @see static::add_dict_entry
+	 * @see static::add_dict_entries
+	 */
 	protected $bAddJSDict;
 	/** @var iUIContentBlock $oContentLayout */
 	protected $oContentLayout;