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-data/src/datetime/datemath.test.ts

@@ -1,5 +1,5 @@
 import sinon, { SinonFakeTimers } from 'sinon';
-import each from 'lodash/each';
+import { each } from 'lodash';
 
 import * as dateMath from './datemath';
 import { dateTime, DurationUnit, DateTime } from './moment_wrapper';

packages/grafana-data/src/datetime/datemath.ts

@@ -1,5 +1,4 @@
-import includes from 'lodash/includes';
-import isDate from 'lodash/isDate';
+import { includes, isDate } from 'lodash';
 import { DateTime, dateTime, dateTimeForTimeZone, ISO_8601, isDateTime, DurationUnit } from './moment_wrapper';
 import { TimeZone } from '../types/index';
 

packages/grafana-data/src/datetime/rangeutil.ts

@@ -1,6 +1,4 @@
-import each from 'lodash/each';
-import groupBy from 'lodash/groupBy';
-import has from 'lodash/has';
+import { each, groupBy, has } from 'lodash';
 
 import { RawTimeRange, TimeRange, TimeZone, IntervalValues } from '../types/time';