Implement EZP-22995: Disable ezformtoken for low-level legacy fallbacks

A usual problem with 5.x is that users get ezformtoken exceptions because they have
implemented some form which does not sets the legacy form token (in addition to symfony token).

This improvement tries to reduce the risk of that happening by making sure all low level
runCallback calls used by kernel itself turns off form token checking.
Implement EZP-22995: Do not post reinitialize legcy kernel when not needed
EZP-22612: add description to the method docblock
EZP-22612: add unit tests
EZP-22612: add test description and remove impertinent assertion
EZP-23059: prepare settings for semantic configuration
Merge pull request #951 from ezsystems/runcallback_formtoken_opt-out

EZP-22995: Disable ezfromtoken for lowlevel legacy fallbacks
EZP-23059: implement semantic config for RichText tags and embeds
EZP-23059: removed unnecessary default embed config
Merge pull request #983 from ezsystems/fix-EZP-22612-urlalias-shared-translation

Fix EZP-22612: UrlAlias with shared translations
removed no more needed param definition
EZP-23059: introduced FieldType parser
EZP-23059: extract method and fix info strings
EZP-23059: add test fixtures for custom RichText XSL stylesheets
EZP-23059: tested default RichText config
Fixed: EZP-23253 XmlText Fieldtype does not respect literal tag with class html
EZP-23059: fixed inline comment
Merge pull request #984 from crevillo/siteaccess_listener_class_param

removed no more needed param definition
Fixed CS typo in route_reference.md
Merge pull request #905 from ezsystems/fix-EZP-23059-richtext-semantic-config

Fix EZP-23059: RichText embeds and template tags are missing semantic configuration