fix: remove messages 'Using strings as events are deprecated'

src/libs/grafana/events/panelEvents.ts

@@ -0,0 +1,29 @@
+import { AppEvent } from './appEvents';
+
+export interface DataQueryError {
+    data?: {
+        message?: string;
+        error?: string;
+    };
+    message?: string;
+    status?: string;
+    statusText?: string;
+    refId?: string;
+    cancelled?: boolean;
+}
+
+export var refresh:(AppEvent<undefined>|string) = {name: 'refresh'};
+export var render:(AppEvent<any>|string) = {name: 'render'};
+export var dataError:(AppEvent<DataQueryError>|string) = {name: 'data-error'};
+export var dataReceived:(AppEvent<any[]>|string) = {name: 'data-received'};
+export var dataSnapshotLoad:(AppEvent<any[]>|string) = {name: 'data-snapshot-load'};
+export var editModeInitialized:(AppEvent<undefined>|string) = {name: 'init-edit-mode'};
+
+export function fallbackToStringEvents() {
+    refresh = 'refresh';
+    render = 'render';
+    dataError = 'data-error';
+    dataReceived = 'data-received';
+    dataSnapshotLoad = 'data-snapshot-load';
+    editModeInitialized = 'init-edit-mode';
+}