If tracing as a whole is disabled, or if tracing on certain paths is disabled, then the tracer or the parent span context will be absent from the request context delivered to the web client security code.
This PR adds null checks in key spots for the tracer and parent span context.
Description
Resolves #8800
If tracing as a whole is disabled, or if tracing on certain paths is disabled, then the tracer or the parent span context will be absent from the request context delivered to the web client security code.
This PR adds null checks in key spots for the tracer and parent span context.
Documentation
Bug fix; no doc impact.