Fixed 'firebase' and 'uid' null error

[rezmeplxrf]

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fixes #your-issue-number

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[rezmeplxrf]

Fixes null check error for DecodedIdToken. Firebase Web SDK issued token's decoded json is as follows: {iss: https://securetoken.google.com/myproject, aud: myprojectId, auth_time: 1732417815, user_id: Ek89AbErVLTkIFfqBXV5FkKunmi1, sub: Ek89AbErVLTkIFfqBXV5FkKunmi1, iat: 1732417815, exp: 1732421415, email: [email protected], email_verified: true, firebase: {identities: {email: [[email protected]]}, sign_in_provider: password}}.