Remove datalink template suggestions for accessing specific fields when there are multiple dataframes. (#32057) (#32148)

* Don't suggest template strings using fields when there are mutliple dataframes

* Change to use label instead of state

(cherry picked from commit f48a52e590)

Co-authored-by: Oscar Kilhed <oscar.kilhed@grafana.com>

packages/grafana-data/src/field/getFieldDisplayValuesProxy.test.tsx

@@ -13,6 +13,9 @@ describe('getFieldDisplayValuesProxy', () => {
           {
             name: 'power',
             values: [100, 200, 300],
+            labels: {
+              name: 'POWAH!',
+            },
             config: {
               displayName: 'The Power',
             },
@@ -60,6 +63,7 @@ describe('getFieldDisplayValuesProxy', () => {
     });
     expect(p.power.numeric).toEqual(300);
     expect(p['power'].numeric).toEqual(300);
+    expect(p['POWAH!'].numeric).toEqual(300);
     expect(p['The Power'].numeric).toEqual(300);
     expect(p[1].numeric).toEqual(300);
   });

packages/grafana-data/src/field/getFieldDisplayValuesProxy.ts

@@ -28,9 +28,18 @@ export function getFieldDisplayValuesProxy(
         field = frame.fields[k];
       }
       if (!field) {
-        // 3. Match the title
+        // 3. Match the config displayName
         field = frame.fields.find((f) => key === f.config.displayName);
       }
+      if (!field) {
+        // 4. Match the name label
+        field = frame.fields.find((f) => {
+          if (f.labels) {
+            return key === f.labels.name;
+          }
+          return false;
+        });
+      }
       if (!field) {
         return undefined;
       }