apollo_dashboard: make SNIP-35 fee target USD panel a stat (#14293)

* deployment: wait for node healthcheck before starting the simulator

* apollo_dashboard: make SNIP-35 fee target USD panel a stat

Author: sirandreww-starkware

crates/apollo_dashboard/resources/dev_grafana.json

@@ -427,7 +427,7 @@
         {
           "title": "Fee Target (USD per 1B L2 gas)",
           "description": "Configured target USD cost per 1 billion L2 gas units (raw metric is atto-USD per L2 gas; atto-USD / 1e9 = USD per 1B L2 gas)",
-          "type": "timeseries",
+          "type": "stat",
           "exprs": [
             "snip35_fee_target_atto_usd{cluster=~\"$cluster\", namespace=~\"$namespace\", pod=~\"$pod\"} / 1e9"
           ],

crates/apollo_dashboard/src/panels/consensus.rs

@@ -755,7 +755,7 @@ fn get_panel_snip35_fee_target_atto_usd() -> Panel {
         "Configured target USD cost per 1 billion L2 gas units (raw metric is atto-USD per L2 \
          gas; atto-USD / 1e9 = USD per 1B L2 gas)",
         format!("{} / 1e9", SNIP35_FEE_TARGET_ATTO_USD.get_name_with_filter()),
-        PanelType::TimeSeries,
+        PanelType::Stat,
     )
 }