Using `columnPreferences`: Settings via UI are not cached

[vince1995]

New Issue Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.
• I can reproduce the issue with the latest versions of Parse Server and Parse Dashboard.

Issue Description

When using the columnPreferences setting it causes that settings that are made via Manage Columns (or the width of a column) are not cached visible on the next page view. The cache gets overwritten on the next page view here.

Steps to reproduce

• use columnPreferences setting
• show or hide a column via Manage Columns
• reload page

Actual Outcome

The columns that are made visible via Manage Columns are hidden.

Expected Outcome

The columns that are made visible via Manage Columns should be still visible.

Environment

Dashboard

• Parse Dashboard version: latest alpha branch

PR #1881 would fix that.

[parse-github-assistant]

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