feat(js): expose document page boxes (#5501)

* feat(js): expose document page boxes

* Normalize page boxes for getPageBox

* Correct page box test expectations and formatting

* Use local page helper in box test

---------

Co-authored-by: FredApps <153173854+FredApps@users.noreply.github.com>

parity/acrobat-features.toml

@@ -5363,8 +5363,8 @@ milestone = "M6"
 status = "partial"
 commands = ["tools.js_console"]
 tools = ["js_run"]
-evidence = ["crates/js/src/tests.rs::calculate_scripts_read_fields_and_set_the_value", "crates/engine/src/tests.rs::form_javascript_validates_calculates_and_formats", "crates/automation/tests/it/automation.rs::javascript_through_tools", "crates/js/src/tests.rs::an_xfa_form_sees_the_xfa_plugin_installed", "crates/js/src/tests.rs::a_plain_form_sees_the_xfa_version_but_not_installed", "crates/engine/src/tests.rs::scripts_in_an_xfa_form_see_the_xfa_plugin_installed", "crates/js/src/tests.rs::scand_allows_separators_between_fields_but_nothing_before_or_after_them", "crates/ui-egui/tests/it/forms.rs::a_form_button_opens_its_attached_instructions_in_a_new_tab", "crates/js/src/tests.rs::app_alert_keeps_its_title_icon_and_buttons", "crates/js/src/tests.rs::app_alert_reads_the_object_form", "crates/js/src/tests.rs::app_alert_falls_back_on_bad_icon_and_button_numbers", "crates/js/src/tests.rs::app_alert_titles_are_clipped_and_charged", "crates/ui-egui/tests/it/javascript.rs::every_message_a_script_shows_takes_the_toast_in_turn", "crates/js/src/tests.rs::widget_rect_reads_and_writes_a_four_number_array", "crates/engine/src/tests.rs::javascript_field_rect_moves_first_widget_and_undoes"]
-notes = "boa (pure Rust) with the forms object model: event, getField/Field (value, readonly, display, colours, items, check boxes, rect), app (with execMenuItem for the side panels and Save As, from a button only, and Print where this.print() works), util.printf/printd/printx/scand (scand reads dates as another viewer was observed to, in AcroForm and XFA scripts), console, display, color, exportDataObject (from a button only: an attached PDF opens in a new tab, other files are offered to save, also as event.target in XFA scripts); xfa_version (3.5) in every document and xfa_installed in XFA forms, so their version check passes. field.rect reads and writes the first widget in PDF user space. no annotations, layers or dialogs (app.response returns null) yet, and no app.findComponent. app.alert keeps its title, icon (error, warning, question, status) and buttons (OK, OK/Cancel, Yes/No, Yes/No/Cancel), given in order or as one object; js_run reports them with each message, and the app shows every message in turn in the toast with its title and icon. Still missing: answers. Every app.alert returns 1 (OK), so a script is never told No or Cancel (#4291)."
+evidence = ["crates/js/src/tests.rs::calculate_scripts_read_fields_and_set_the_value", "crates/engine/src/tests.rs::form_javascript_validates_calculates_and_formats", "crates/automation/tests/it/automation.rs::javascript_through_tools", "crates/js/src/tests.rs::an_xfa_form_sees_the_xfa_plugin_installed", "crates/js/src/tests.rs::a_plain_form_sees_the_xfa_version_but_not_installed", "crates/engine/src/tests.rs::scripts_in_an_xfa_form_see_the_xfa_plugin_installed", "crates/js/src/tests.rs::scand_allows_separators_between_fields_but_nothing_before_or_after_them", "crates/ui-egui/tests/it/forms.rs::a_form_button_opens_its_attached_instructions_in_a_new_tab", "crates/js/src/tests.rs::app_alert_keeps_its_title_icon_and_buttons", "crates/js/src/tests.rs::app_alert_reads_the_object_form", "crates/js/src/tests.rs::app_alert_falls_back_on_bad_icon_and_button_numbers", "crates/js/src/tests.rs::app_alert_titles_are_clipped_and_charged", "crates/ui-egui/tests/it/javascript.rs::every_message_a_script_shows_takes_the_toast_in_turn", "crates/js/src/tests.rs::widget_rect_reads_and_writes_a_four_number_array", "crates/engine/src/tests.rs::javascript_field_rect_moves_first_widget_and_undoes", "crates/engine/src/tests.rs::js_get_page_box_reads_effective_boxes_without_editing_the_document", "crates/js/src/tests.rs::get_page_box_returns_supported_boxes_in_rotated_user_space"]
+notes = "boa (pure Rust) with the forms object model: event, getField/Field (value, readonly, display, colours, items, check boxes, rect), this.getPageBox(cBox, nPage) for effective Media, Crop (default), Trim, Bleed and Art boxes in rotated user space, app (with execMenuItem for the side panels and Save As, from a button only, and Print where this.print() works), util.printf/printd/printx/scand (scand reads dates as another viewer was observed to, in AcroForm and XFA scripts), console, display, color, exportDataObject (from a button only: an attached PDF opens in a new tab, other files are offered to save, also as event.target in XFA scripts); xfa_version (3.5) in every document and xfa_installed in XFA forms, so their version check passes. field.rect reads and writes the first widget in PDF user space. no annotations, layers or dialogs (app.response returns null) yet, and no app.findComponent. app.alert keeps its title, icon (error, warning, question, status) and buttons (OK, OK/Cancel, Yes/No, Yes/No/Cancel), given in order or as one object; js_run reports them with each message, and the app shows every message in turn in the toast with its title and icon. Still missing: answers. Every app.alert returns 1 (OK), so a script is never told No or Cancel (#4291)."
 
 [[feature]]
 id = "form.js-console"