Monitoring: metric history, one edition of metrics, and x:Metric over the stored samples (MON-4 to MON-7, MON-9, MON-17, MON-39)

Every node writes a sample per metric on metricsCollectionInterval:
counters as the increase since its last sample, gauges always, histograms
as totals when changed. Samples are x:Metric in the registry's encoding
under the telemetry key class, ids time-ordered. x:Metric/get and /query
read them with metric and timestamp filters and full paging, hide what's
past holdMetricsFor, and the data purge deletes it. The is_enterprise
split is gone, so every gauge and histogram is collected and exported, and
queue.count is set from the queue itself. The shared metrics suite runs.

crates/common/src/manager/boot.rs

@@ -158,7 +158,7 @@ impl BootManager {
 
 
                 #[cfg(not(feature = "enterprise"))]
-                telemetry.enable(false);
+                telemetry.enable();
 
                 if bootstrap.registry.is_bootstrap_mode() {
                     trc::event!(
@@ -241,7 +241,7 @@ impl BootManager {
             }
             StoreOp::Export(path) => {
                 // Enable telemetry
-                telemetry.enable(false);
+                telemetry.enable();
 
                 // Parse settings and backup
                 Box::pin(Core::parse(&mut bootstrap, storage))
@@ -252,7 +252,7 @@ impl BootManager {
             }
             StoreOp::Import(path) => {
                 // Enable telemetry
-                telemetry.enable(false);
+                telemetry.enable();
 
                 // Parse settings and restore
                 Box::pin(Core::parse(&mut bootstrap, storage))