See debate in sr 754119

- Update to version 1.5.3+54:
* Right align doesn't work well with tables
* Update package info
* Update Indonesian translation (#182)
* Fix glyph clipping in WebKit (#179)
* Set WebKit default font size
* Flatpak: prevent X11 access in Wayland
* Remove unnecessary global variables for TTS, footnotes, images
* Initial change to WebKitUserContentManager for messaging
* Add copy to selection options (#172)
* Set vendored code for Linguist
* Updated Dutch (Netherlands) translation (#169)
* Add link to wiki in README.md
* Update French translation (#163)
* Fix unable to add bookmark when section not found
* Fix stuff not escaped for Pango markup
* Move constant out of the loop
* Show author in headerbar
* Fallback when unable to get section
* Show chapter name in bookmarks list
* Update Brazilian Portuguese translation (#160)
* Fix wrong Wiktionary link when looking up again due to capitalization
* Fix Wikipedia lookup broken after previous commit
* Make internal links work in footnote popover
* Make TTS available for selection
* Fix wrong popover position in continous scrolling mode
* Make navbar buttons flat
* Temporary fix for invisible popovers due to wrong position values
* Fix internal link broken when popup footnote is disabled
* Add continuous scrolling option
* Support getting current chapter for TOC items with anchors
* Update translations
* Improve HTML to Pango markup conversion
* Don't push to history if the location doesn't change
* Fix empty state padding
* Suppress promise rejection warnings
* Change "chapter" to "section"
* Add option to go to CFI
* Extract code for getting popover position to a function
* Move util functions forward and main functions to the end
* Add some comments
* Move wheel and keyboard event code to more sensible location
* Make it possible to select across pages
* Fix pt_BR.po
* Update Brazilian Portuguese translation (#153)
* Lint assets
* Lint main.js
* Cleanup HTML and txt export code
* Fix ampersand troubles
* Use markup for Wikipedia extract
* Fix soft hyphens confusing Festival
* Add translation info to AppData
* Update French translation (#151)
* Update Dutch translation (#150)
* Update README.md (forwarded request 754483 from iznogood)