Explore: Add link to logs from trace span (#28229)

* Add trace to logs link

* Do a bit of refactor and allow for custom time range in split

* Add margin and noopener to the link

* Fix tests

* Fix tests

packages/grafana-runtime/src/config.ts

@@ -56,6 +56,7 @@ export class GrafanaBootConfig implements GrafanaConfig {
     expressions: false,
     meta: false,
     ngalert: false,
+    traceToLogs: false,
   };
   licenseInfo: LicenseInfo = {} as LicenseInfo;
   rendererAvailable = false;

packages/grafana-runtime/src/services/dataSourceSrv.ts

@@ -19,6 +19,16 @@ export interface DataSourceSrv {
    * Returns metadata based on UID.
    */
   getDataSourceSettingsByUid(uid: string): DataSourceInstanceSettings | undefined;
+
+  /**
+   * Get all data sources
+   */
+  getAll(): DataSourceInstanceSettings[];
+
+  /**
+   * Get all data sources except for internal ones that usually should not be listed like mixed data source.
+   */
+  getExternal(): DataSourceInstanceSettings[];
 }
 
 let singletonInstance: DataSourceSrv;