Kolibri-explore-plugin

<!-- Release notes generated using configuration in .github/release.yml at v7.15.0 -->

What's Changed
Changes
* collectionviews: Ignore session state if it uses the wrong format by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/909


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v7.14.0...v7.15.0

<!-- Release notes generated using configuration in .github/release.yml at v7.14.0 -->

What's Changed
Changes
* Persist content pack choice by manuq in https://github.com/endlessm/kolibri-explore-plugin/pull/907


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v7.13.0...v7.14.0

<!-- Release notes generated using configuration in .github/release.yml at v7.13.0 -->

What's Changed
Changes
* build(deps): bump adobe/css-tools from 4.3.1 to 4.3.2 by dependabot in https://github.com/endlessm/kolibri-explore-plugin/pull/903
* Remove discontinued channel apps from customApps.js by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/904
* Support "downloading" a content pack without an internet connection by dylanmccall in https://github.com/endlessm/kolibri-explore-plugin/pull/905


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v7.12.0...v7.13.0

<!-- Release notes generated using configuration in .github/release.yml at v7.12.0 -->

What's Changed
Changes
* Skip content import by dbnicholson in https://github.com/endlessm/kolibri-explore-plugin/pull/900


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v7.11.0...v7.12.0

<!-- Release notes generated using configuration in .github/release.yml at v7.11.0 -->

What's Changed
Changes
* Content downloader tests by dbnicholson in https://github.com/endlessm/kolibri-explore-plugin/pull/897
* Skip downloading when all content available by dbnicholson in https://github.com/endlessm/kolibri-explore-plugin/pull/899


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v7.10.0...v7.11.0

<!-- Release notes generated using configuration in .github/release.yml at v7.10.0 -->

What's Changed
Changes
* Improve loading screen translation loading by dbnicholson in https://github.com/endlessm/kolibri-explore-plugin/pull/894
* ci: Fix version used for triggering kolibri-installer-android by dbnicholson in https://github.com/endlessm/kolibri-explore-plugin/pull/896


**Full Changelog**: https://github.com/endlessm/kolibri-explore-plugin/compare/v7.9.0...v7.10.0