Table: Support DataLinks and Actions in SparklineCell (#112244)

* Table: Support DataLinks in SparklineCell

* add data links to sparkline gdev

* fix migrator test

* Clean up single action use case

apps/dashboard/pkg/migration/testdata/dev-dashboards-output/panel-table/table_sparkline_cell.v42.json

@@ -208,7 +208,27 @@
                 "value": 80
               }
             ]
-          }
+          },
+          "actions": [
+            {
+              "fetch": {
+                "body": "{}",
+                "headers": [["Content-Type", "application/json"]],
+                "method": "GET",
+                "queryParams": [],
+                "url": "/api/health"
+              },
+              "title": "Get instance health",
+              "type": "fetch"
+            }
+          ],
+          "links": [
+            {
+              "targetBlank": true,
+              "title": "Google Grafana",
+              "url": "https://google.com/search?q=grafana"
+            }
+          ]
         },
         "overrides": []
       },
@@ -592,4 +612,4 @@
   "title": "Panel Tests - Table - Sparklines",
   "uid": "d6373b49-1957-4f00-9218-ee2120d3ecd9",
   "weekStart": ""
-}
+}