front: turn on eslint recommended type checked hints

[emersion]

See https://typescript-eslint.io/getting-started/typed-linting/

• [x] no-unsafe-return (#8884)
• [ ] no-unsafe-member-access (43 errors)
• [ ] no-unsafe-argument (#10234)
• [ ] no-unsafe-assignment (71 errors)
• [x] no-unsafe-call (3 errors, #8923)
• [ ] no-misused-promises
• [ ] no-floating-promises
• [ ] restrict-template-expressions
• [ ] only-throw-error
• [ ] require-await
• [ ] More?