Performance: Standardize lodash imports to use destructured members (#33040)

* Performance: Standardize lodash imports to use destructured members
Changes lodash imports of the form `import x from 'lodash/x'` to
`import { x } from 'lodash'` to reduce bundle size.

* Remove unnecessary _ import from Graph component

* Enforce lodash import style

* Fix remaining lodash imports

packages/grafana-runtime/src/config.ts

@@ -1,4 +1,4 @@
-import merge from 'lodash/merge';
+import { merge } from 'lodash';
 import { getTheme } from '@grafana/ui';
 import {
   BuildInfo,