Unable to merge/split cells

[jeffpaul]

Describe the bug

Merging cells and splitting a cell functionality is not available.

Steps to Reproduce

1. Create a 3 by 3 table
2. Highlight two cells
3. Click on Table > Cell
4. See that Merge table cells is greyed out / disabled (same scenario with Split table cell and a single cell selected)

Expected behavior

Merge table cells should be active and function correctly. Same for Split table cell in its use case.

Screenshots

Environment information

• Device: Mac mini (2018)
• OS: macOS Catalina Version 10.15.2
• Browser and version: Firefox 72.0.2 (64-bit)
• Plugins and version: Classic Editor v1.5 and MCE Table Buttons v3.3
• Theme and version:
• Other installed plugin(s) and version(s): WordPress 5.3.2

Additional context

This was originally reported via a comment on November 19, 2019 so it's possible that this cropped up with the 5.3 release on November 12, 2019.

[jeffpaul]

I just tested this again and am no longer seeing the same issue so I'm going to close it out as invalid.

Environment information

• Device: Mac mini (2018)
• OS: macOS Catalina Version 10.15.5
• Browser and version: Firefox 78.0.2 (64-bit)
• Plugins and version: Classic Editor v1.5, MCE Table Buttons v3.3, and WordPress Beta Tester 2.2.12
• Theme and version:
• Other installed plugin(s) and version(s): WordPress 5.5 RC3