Missing collapse button for the Columns sidebar in Table View Builder

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: App Builder
• Labels: None
• Fix Priority: 3
• Epic Link: Design QA – App Builder 7.3
• Sprint: App_Builder_7.3_25

Steps to Reproduce

1. Go to Control Panel > App Builder > Custom Objects > Add a Custom Object;
2. Add a Form View > Add some fields (5 or more);
3. Add a Table View > Add the columns.

Expected Result

A collapse button is available for the Columns sidebar in Table View Builder.

Actual Result

Missing collapse button for the Columns sidebar in Table View Builder. It's not possible to hide the Columns sidebar.

Reproduced In
master: 79a52fb60ac83378505137eff27a9b6329dd8ab9