Barchart: Update gdev dashboard for tooltips (#68657)

devenv/dev-dashboards/panel-barchart/barchart-tooltips.json

@@ -442,7 +442,113 @@
           "showValue": "auto",
           "stacking": "none",
           "tooltip": {
-            "mode": "single",
+            "mode": "multi",
+            "sort": "none"
+          },
+          "xTickLabelRotation": 0,
+          "xTickLabelSpacing": 0
+        },
+        "targets": [
+          {
+            "csvContent": "id, field 1, field 2, field 3\na, 20, 30, 40\nb, 40, 50, 60",
+            "datasource": {
+              "type": "testdata",
+              "uid": "PD8C576611E62080A"
+            },
+            "refId": "A",
+            "scenarioId": "csv_content"
+          }
+        ],
+        "title": "Hide 'field 3'",
+        "type": "barchart"
+      },
+      {
+        "datasource": {
+          "type": "testdata",
+          "uid": "PD8C576611E62080A"
+        },
+        "fieldConfig": {
+          "defaults": {
+            "color": {
+              "mode": "palette-classic"
+            },
+            "custom": {
+              "axisCenteredZero": false,
+              "axisColorMode": "text",
+              "axisLabel": "",
+              "axisPlacement": "auto",
+              "fillOpacity": 80,
+              "gradientMode": "none",
+              "hideFrom": {
+                "legend": false,
+                "tooltip": false,
+                "viz": false
+              },
+              "lineWidth": 1,
+              "scaleDistribution": {
+                "type": "linear"
+              },
+              "thresholdsStyle": {
+                "mode": "off"
+              }
+            },
+            "mappings": [],
+            "thresholds": {
+              "mode": "absolute",
+              "steps": [
+                {
+                  "color": "green",
+                  "value": null
+                },
+                {
+                  "color": "red",
+                  "value": 80
+                }
+              ]
+            }
+          },
+          "overrides": [
+            {
+              "matcher": {
+                "id": "byName",
+                "options": "id"
+              },
+              "properties": [
+                {
+                  "id": "custom.hideFrom",
+                  "value": {
+                    "legend": false,
+                    "tooltip": true,
+                    "viz": false
+                  }
+                }
+              ]
+            }
+          ]
+        },
+        "gridPos": {
+          "h": 6,
+          "w": 9,
+          "x": 9,
+          "y": 8
+        },
+        "id": 7,
+        "options": {
+          "barRadius": 0,
+          "barWidth": 0.97,
+          "fullHighlight": false,
+          "groupWidth": 0.7,
+          "legend": {
+            "calcs": [],
+            "displayMode": "list",
+            "placement": "bottom",
+            "showLegend": true
+          },
+          "orientation": "auto",
+          "showValue": "auto",
+          "stacking": "none",
+          "tooltip": {
+            "mode": "multi",
             "sort": "none"
           },
           "xTickLabelRotation": 0,
@@ -459,7 +565,7 @@
             "scenarioId": "csv_content"
           }
         ],
-        "title": "Panel Title",
+        "title": "Hide 'id'",
         "type": "barchart"
       }
     ],