fix(snowflake): mask the key-pair private key when unfocused and type the key-pair header test

The key-pair private key textarea hides its value off focus, matching the
Google JSON key field, and the new getSnowflakeHeaders case passes the
oauthCredential its params type requires.

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/integrations/components/connect-service-account-modal/snowflake-account-modal.tsx

@@ -9,6 +9,7 @@ import {
   ChipModalFooter,
   ChipModalHeader,
   ChipTextarea,
+  cn,
   SecretInput,
 } from '@sim/emcn'
 import { isApiClientError } from '@/lib/api/client/errors'
@@ -342,7 +343,10 @@ function SnowflakeAccountForm({
                   value={privateKey}
                   onChange={(event) => edit(setPrivateKey)(event.target.value)}
                   placeholder='-----BEGIN PRIVATE KEY-----'
-                  className='min-h-[120px] font-mono'
+                  className={cn(
+                    'min-h-[120px] font-mono',
+                    privateKey && '[&:not(:focus)]:[-webkit-text-security:disc]'
+                  )}
                   spellCheck={false}
                   autoComplete='off'
                   autoCorrect='off'

apps/sim/tools/snowflake/utils.test.ts

@@ -132,6 +132,7 @@ describe('Snowflake SQL API transport', () => {
     })
     expect(
       getSnowflakeHeaders({
+        oauthCredential: 'cred-1',
         domain: 'acme.snowflakecomputing.com',
         accessToken: 'signed.jwt.value',
         authStyle: 'snowflake-key-pair',