[v10.0.x] Tempo: Use pipe in TraceQL by default for multi-value variables #70321
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Backport 06a4b6d from #70051
What is this feature?
Updates Tempo TraceQL queries to use pipe by default for multi-value variables.
Why do we need this feature?
Fixes issue where TraceQL queries with multi-value variables were not being replaced correctly for the TraceQL query.
Who is this feature for?
Tempo users.
Which issue(s) does this PR fix?:
Fixes #69841
Special notes for your reviewer:
Please check that: