fix(spans): Fix incorrect MRIs for LCP and CLS span metrics (#4504)

Span metrics for LCP and CLS should have been written to
`"d:transactions/measurements.cls@none"` and
`"d:transactions/measurements.lcp@millisecond"`. This change corrects
the MRIs.

#skip-changelog

Author: edwardgou-sentry

relay-dynamic-config/src/defaults.rs

@@ -1050,7 +1050,7 @@ pub fn hardcoded_span_metrics() -> Vec<(GroupKey, Vec<MetricSpec>, Vec<TagMappin
                 },
                 MetricSpec {
                     category: DataCategory::Span,
-                    mri: "d:transactions/measurements.cls@ratio".into(),
+                    mri: "d:transactions/measurements.cls@none".into(),
                     field: Some("span.measurements.cls.value".into()),
                     condition: Some(is_allowed_browser.clone()),
                     tags: vec![
@@ -1128,7 +1128,7 @@ pub fn hardcoded_span_metrics() -> Vec<(GroupKey, Vec<MetricSpec>, Vec<TagMappin
                 },
                 MetricSpec {
                     category: DataCategory::Span,
-                    mri: "d:transactions/measurements.lcp@ratio".into(),
+                    mri: "d:transactions/measurements.lcp@millisecond".into(),
                     field: Some("span.measurements.lcp.value".into()),
                     condition: Some(is_allowed_browser.clone()),
                     tags: vec![

relay-server/src/metrics_extraction/event.rs

@@ -1812,7 +1812,7 @@ mod tests {
         );
 
         for mri in [
-            "d:transactions/measurements.cls@ratio",
+            "d:transactions/measurements.cls@none",
             "d:transactions/measurements.score.cls@ratio",
             "d:transactions/measurements.score.total@ratio",
             "d:transactions/measurements.score.weight.cls@ratio",
@@ -1852,7 +1852,7 @@ mod tests {
         );
 
         for mri in [
-            "d:transactions/measurements.lcp@ratio",
+            "d:transactions/measurements.lcp@millisecond",
             "d:transactions/measurements.score.lcp@ratio",
             "d:transactions/measurements.score.total@ratio",
             "d:transactions/measurements.score.weight.lcp@ratio",