feat: store well defined metrics as times-series data streams

Remove index.sort.field for internal metrics:
illegal_argument_exception: [illegal_argument_exception] Reason: [index.mode=time_series]
is incompatible with [index.sort.field]

apmpackage/apm/data_stream/internal_metrics/fields/ecs.yml

@@ -56,6 +56,7 @@
   name: cloud.service.name
 - external: ecs
   name: container.id
+  dimension: true
 - external: ecs
   name: destination.address
 - external: ecs
@@ -74,6 +75,7 @@
   name: host.ip
 - external: ecs
   name: host.name
+  dimension: true
 - external: ecs
   name: host.os.platform
   index: false

apmpackage/apm/data_stream/internal_metrics/manifest.yml

@@ -3,6 +3,7 @@ type: metrics
 dataset: apm.internal
 ilm_policy: metrics-apm.internal_metrics-default_policy
 elasticsearch:
+  index_mode: "time_series"
   index_template:
     mappings:
       # Internal metrics should have all fields strictly mapped;
@@ -29,7 +30,3 @@ elasticsearch:
               type: aggregate_metric_double
               metrics: [sum, value_count]
               default_metric: sum
-    settings:
-      index:
-        sort.field: "@timestamp"
-        sort.order: desc