Chore: Fix all Typescript strict null errors (#26204)

* Chore: Fix typescript strict null errors

* Added new limit

* Fixed ts issue

* fixed tests

* trying to fix type inference

* Fixing more ts errors

* Revert tsconfig option

* Fix

* Fixed code

* More fixes

* fix tests

* Updated snapshot

* Chore: More ts strict null fixes

* More fixes in some really messed up azure config components

* More fixes, current count: 441

* 419

* More fixes

* Fixed invalid initial state in explore

* Fixing tests

* Fixed tests

* Explore fix

* More fixes

* Progress

* Sub 300

* Now at 218

* Progress

* Update

* Progress

* Updated tests

* at 159

* fixed tests

* Progress

* YAy blow 100! at 94

* 10,9,8,7,6,5,4,3,2,1... lift off

* Fixed tests

* Fixed more type errors

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

public/app/features/api-keys/__mocks__/apiKeysMock.ts

@@ -2,12 +2,13 @@
 
 export const getMultipleMockKeys = (numberOfKeys: number): ApiKey[] => {
   const keys: ApiKey[] = [];
+
   for (let i = 1; i <= numberOfKeys; i++) {
     keys.push({
       id: i,
       name: `test-${i}`,
       role: OrgRole.Viewer,
-      secondsToLive: null,
+      secondsToLive: 100,
       expiration: '2019-06-04',
     });
   }
@@ -20,7 +21,7 @@ export const getMockKey = (): ApiKey => {
     id: 1,
     name: 'test',
     role: OrgRole.Admin,
-    secondsToLive: null,
+    secondsToLive: 200,
     expiration: '2019-06-04',
   };
 };