How to display two threads in one row

Summary:

Content (required):
For reporting purposes, we want to display two thread information in one row that is associated with an incident:
Text of one-thread entry type Customer
Text of two-thread entry type Staff Account

12 usually appears in two rows, but we would appreciate it if you could tell us how to display one row as a separate column.
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Code Snippet (add any code snippets that support your topic, if applicable):