Fix mstats syntax error: replace avg(avg_load_time) with avg(_value)

Author: devinslick

default/data/ui/views/dashboard_details.xml

@@ -89,7 +89,7 @@
       <title>Avg Load Time</title>
       <single>
         <search>
-          <query>| mstats avg(avg_load_time) as avg_load WHERE index=caca_metrics AND pretty_name="$dashboard_name$" AND metric_name="dashboard.load_time" span=1d
+          <query>| mstats avg(_value) as avg_load WHERE index=caca_metrics AND pretty_name="$dashboard_name$" AND metric_name="dashboard.load_time" span=1d
 | stats avg(avg_load) as avg_load_time
 | eval display=round(avg_load_time, 0)." ms"
 | table display</query>

default/data/ui/views/dashboard_leaderboard.xml

@@ -70,7 +70,7 @@
       <title>Avg Load Time (7d)</title>
       <single>
         <search>
-          <query>| mstats avg(avg_load_time) as overall_avg WHERE index=caca_metrics AND metric_name="dashboard.load_time" span=1d
+          <query>| mstats avg(_value) as overall_avg WHERE index=caca_metrics AND metric_name="dashboard.load_time" span=1d
 | stats avg(overall_avg) as avg_load_time
 | eval avg_load_time=round(avg_load_time, 0)." ms"</query>
           <earliest>-7d@h</earliest>

default/data/ui/views/poop_deck.xml

@@ -86,7 +86,7 @@
       <title>🐌 Slow Dashboards</title>
       <single>
         <search>
-          <query>| mstats avg(avg_load_time) as avg_load WHERE index=caca_metrics AND metric_name="dashboard.load_time" BY pretty_name span=1d
+          <query>| mstats avg(_value) as avg_load WHERE index=caca_metrics AND metric_name="dashboard.load_time" BY pretty_name span=1d
 | where _time >= relative_time(now(), "-7d")
 | stats avg(avg_load) as avg_load_time by pretty_name
 | where avg_load_time &gt; 5000