Serlo Editor - v0.20.0

• fix(editor): Render visual/latex select in math toolbar. Thank you @CodingDive in #4334
• refactor(editor-packages): Throw out all mentions of shadow dom. Thank you @CodingDive in #4333
• feat(prototype-microadaptivity): simulate feedback block. Thank you @LarsTheGlidingSquirrel in #4326
• refactor(web): hide localstorage notice on editor-preview as well. Thank you @elbotho in #4325
• fix(page-editor-preview): hide editor toolbar artifacts. Thank you @LarsTheGlidingSquirrel in #4323
• feat(microadaptivity): fetch feedback from AI. Thank you @hugotiburtino in #4322
• Prototype: Microadaptivity - Block data layout for text and feedback blocks. Thank you @LarsTheGlidingSquirrel in #4321
• feat(interactive-video): add tool to remove all marks. Thank you @elbotho in #4320
• feat(interactive-video): add plugin icon. Thank you @elbotho in #4319
• fix(input-exercise): use correct icon. Thank you @hejtful in #4317
• refactor(plugin-injection): use open-iframe-resizer. Thank you @hejtful in #4315
• fix(plugin-edusharing): use open-iframe-resizer. Thank you @LarsTheGlidingSquirrel in #4314
• feat(plugin-rows): new plugin reorder buttons. Thank you @hejtful in #4313
• Remove support to wikimedia videos due to data privacy reasons. Thank you @hugotiburtino in #4312
• fix(plugin-edusharing): keep overlay but let pointer events pass through. Thank you @LarsTheGlidingSquirrel in #4309

Full Changelog: v0.19.2-editor...v0.20.0-editor