telemetry: Consider the entire chain of config sources when merging (#31039)

Global settings were implemented in #30444, but `Settings`
implementations need to consider that source for it to be useful. This
PR does just that for `TelemetrySettings` so these can be controlled via
global settings.

Release Notes:

- N/A
a0ec9cf383Andres Suarez committed on 5/20/2025, 5:21:49 PM· committed by GitHubparenteb318c1
1 file changedLine totals unavailable