Paulo Viadanna

feat: DEFAULT_COURSE_INVITATION_ONLY allow for invitation_only new co…

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## Description This pull request adds a `DEFAULT_COURSE_INVITATION_ONLY` setting to the CMS that, when set to `True`, makes all courses created in Studio invitation-only by default. ## Testing instructions 1....

fix: unhide discussion tab when enabling it (#677)

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## Description Update the `is_hidden` property in the modulestore to store the visibility of the discussions tab properly. ## Supporting information - https://github.com/open-craft/edx-platform/pull/677 ## Testing instructions 1. Create a course...

Disable uploading files while an upload is in progress

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This PR disables the upload button and shows a spinner during uploads so continuing to click the upload button doesn't flood the LMS with requests. **What changed?** - Disables the...