Explore: Capitalize dedup strategy in radio buttons for consistency (#26961)

* Update LogsDedupStrategy enum to keep consistent with radio button capitalization

* Revert "Update LogsDedupStrategy enum to keep consistent with radio button capitalization"

This reverts commit 0b05cd4e004fd3e9c78b3cec776961ae874b912d.

* Capitalize dedup strategy in radio buttons

public/app/features/explore/Logs.tsx

 import React, { PureComponent } from 'react';
 import { css, cx } from 'emotion';
+import { capitalize } from 'lodash';
 
 import {
   rangeUtil,
@@ -256,7 +257,7 @@ export class Logs extends PureComponent<Props, State> {
                     // @ts-ignore
                     tooltip={LogsDedupDescription[dedupType]}
                   >
-                    {dedupType}
+                    {capitalize(dedupType)}
                   </ToggleButton>
                 ))}
               </ToggleButtonGroup>