fix: disable nullish coalescing linting error

While I also prefer the nullish coalescing operator wherever possible,
it is not strictly equivalent to the alternatives, and thus it should
not be forced upon developers.

Author: arbrandes

tools/eslint/base.eslint.config.js

@@ -87,6 +87,7 @@ module.exports = tseslint.config(
         caughtErrors: 'none',
       }],
       '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/prefer-nullish-coalescing': 'off',
       '@stylistic/semi': ['error', 'always', { omitLastInOneLineBlock: true, omitLastInOneLineClassBody: true }],
       '@stylistic/quotes': ['error', 'single', {
         avoidEscape: true,