show last highstate date/time on grid metrics screen; expose maxUploadSize and staleMetricsMs settings on config screen

salt/soc/defaults.yaml

@@ -1640,6 +1640,9 @@ soc:
               query: '* | groupby destination.port rule.name event.severity_label'
             - name: Ungroup
               query: '*'
+        grid:
+          maxUploadSize: 26214400
+          staleMetricsMs: 120000
         cases:
           advanced: false
           aggregationActionsEnabled: false

salt/soc/soc_soc.yaml

@@ -184,6 +184,13 @@ soc:
         alerts: *appSettings
         cases: *appSettings
         dashboards: *appSettings
+        grid:
+          maxUploadSize:
+            description: The maximum number of bytes for an uploaded PCAP import file.
+            global: True
+          staleMetricsMs:
+            description: The age in milliseconds of node metrics when they are considered stale. Stale metrics have a faded appearance on the Grid screen.
+            global: True
         case:
           analyzerNodeId:
             description: The node ID on which analyzers will be executed.