introduce a template function to output a inline script

This handles the output of a potentially available nonce.

coding style: function call spacing

codestyle adjustments: class declaration braces

Apply rector fixes to inc/Ui

import classes, replace dbglog, simplify, remove unused statements, and other warnings from IntelliJ

update phpdocs,
rename dokuwiki/Ui/Draft to PageDraft

use EDIT_FORM_ADDTEXTAREA

change event name to prevent breaks in old HTML_EDIT_FORMSELECTION or early proposed EDIT_FORM_ALTERNATE event handler, such as edittable plugin

use new event EDIT_FORM_ALTERNATE

to prevent breaks in old HTML_EDIT_FORMSELECTION event handler, such as edittable plugin

re-declare deprecated function html_edit_form()

call dbg_deprecated(), even this function lost compatibility because its argument $param['form'] has changed to hold Form\Form object

change event naming scheme

FORM_*_OUTPUT scheme had been introduced since Apriil 2018, see #2286

tigger HTMLFORM_*_OUTPUT events

trigger events in Form::toHTML() instead of using Event::createAndTrigger()

remove unnecessary printing DOKU_LF

use $INPUT instead of $_SERVER

print forms without html_form_output()

fix Form\Form attributes

avoid unit test errors in _test\tests\test\edit_and_save.test.php

fix typo

Ui\Editor class replaces html_edit()