Make SE metrics default scope application instead of nothing #7666
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Description
Resolves #7658
Originally, the neutral Helidon metrics API (SE) assigned no default scope to new meters unless the developer set the default scope to a value. This PR changes that so the "default default" scope is
application
instead of nothing.Developers can still assign any specific scope to an individual meter when registering it and can also assign a different default scope (or clear the "default default" scope) using the
ScopingConfig
withinMetricsConfig
.Documentation
Doc impact: will be included in the metrics doc rewrite #7381