Display fn, line num and column in stacktrace entry caption

What does this MR do?

Previously function, line number and column  was displayed only for the entries that have no code block. Now this info is displayed in each entry header if available

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

References #38130 (closed)