• Fix issue that if a selected text contains trailing or leading whitespaces,
  these are preserved around the cloze question string when inserted into the text.
• Support for a new REGEX and REGEX_C type that might available through a new
  plugin moodle-qtype_multianswerrgx by Joseph Rézeau.
• Add CI of Moodle 4.5.
• Fix bug that escaped closing curly brakets where not recognized issue #21.
• On double click on a cloze question opens the dialogue automatically.
• Delete icon disappears when there is one answer option left only.
• Style adaptations on the dalogue that will be necessary with upcoming Moodle 4.5.