fix(examples): ui-chart colors + numeric width/height (flow-lint)

Two charts were missing colors and had string width/height. Lint-clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

examples/frost-influx-grafana.flow.json

@@ -727,8 +727,8 @@
     "name": "Raw write rate",
     "label": "Raw field write rate",
     "order": 1,
-    "width": "6",
-    "height": "4",
+    "width": 6,
+    "height": 4,
     "chartType": "line",
     "category": "topic",
     "xAxisLabel": "time",
@@ -746,7 +746,18 @@
     "yAxisProperty": "payload",
     "yAxisPropertyType": "msg",
     "action": "append",
-    "interpolation": "linear"
+    "interpolation": "linear",
+    "colors": [
+      "#0095FF",
+      "#FF0000",
+      "#FF7F0E",
+      "#2CA02C",
+      "#A347E1",
+      "#D62728",
+      "#FF9896",
+      "#9467BD",
+      "#C5B0D5"
+    ]
   },
   {
     "id": "cse_ui_chart_knot",
@@ -756,8 +767,8 @@
     "name": "Knot write rate",
     "label": "CoreSync knot write rate",
     "order": 2,
-    "width": "6",
-    "height": "4",
+    "width": 6,
+    "height": 4,
     "chartType": "line",
     "category": "topic",
     "xAxisLabel": "time",
@@ -775,7 +786,18 @@
     "yAxisProperty": "payload",
     "yAxisPropertyType": "msg",
     "action": "append",
-    "interpolation": "linear"
+    "interpolation": "linear",
+    "colors": [
+      "#0095FF",
+      "#FF0000",
+      "#FF7F0E",
+      "#2CA02C",
+      "#A347E1",
+      "#D62728",
+      "#FF9896",
+      "#9467BD",
+      "#C5B0D5"
+    ]
   },
   {
     "id": "cse_dbg_measure_process",