refactor(permission-controller)!: Fix various lint rule violations (#…

…4521)

## Explanation

Fixes various `@typescript-eslint` violations in the permission
controller. Due to the prevalence of RPC method names as object literal
keys in a couple of files, an `.eslintrc.js` has been added to the
permission controller workspace to accommodate this exception to our
naming convention.

## Changelog

### `@metamask/permission-controller`

- **BREAKING**: Rename enum property names to match PascalCase instead
of camelCase
  - The affected enums are:
    - `CaveatMutatorOperations`
    - `MethodNames`

packages/permission-controller/.eslintrc.js

@@ -0,0 +1,88 @@
+module.exports = {
+  extends: ['../../.eslintrc.js'],
+
+  overrides: [
+    {
+      files: [
+        'src/PermissionController.test.ts',
+        'src/rpc-methods/revokePermissions.test.ts',
+      ],
+      rules: {
+        // This is taken directly from @metamask/eslint-config-typescript@12.1.0
+        '@typescript-eslint/naming-convention': [
+          'error',
+          // We have to disable the default selector for our objectLiteralProperty
+          // filter to work.
+          // {
+          //   selector: 'default',
+          //   format: ['camelCase'],
+          //   leadingUnderscore: 'allow',
+          //   trailingUnderscore: 'forbid',
+          // },
+          {
+            selector: 'enumMember',
+            format: ['PascalCase'],
+          },
+          {
+            selector: 'interface',
+            format: ['PascalCase'],
+            custom: {
+              regex: '^I[A-Z]',
+              match: false,
+            },
+          },
+          {
+            selector: 'objectLiteralMethod',
+            format: ['camelCase', 'PascalCase', 'UPPER_CASE'],
+          },
+          // This option is modified by the addition of a filter.
+          {
+            selector: 'objectLiteralProperty',
+            format: ['camelCase', 'PascalCase', 'UPPER_CASE'],
+            filter: {
+              // Match RPC method names like foo_bar, foo_barBaz, etc., and metamask.io
+              regex: '(^[a-z]+_[a-z]+[a-zA-Z0-9]*)|metamask\\.io$',
+              match: false,
+            },
+          },
+          {
+            selector: 'typeLike',
+            format: ['PascalCase'],
+          },
+          {
+            selector: 'typeParameter',
+            format: ['PascalCase'],
+            custom: {
+              regex: '^.{3,}',
+              match: true,
+            },
+          },
+          {
+            selector: 'variable',
+            format: ['camelCase', 'UPPER_CASE', 'PascalCase'],
+            leadingUnderscore: 'allow',
+          },
+          {
+            selector: 'parameter',
+            format: ['camelCase', 'PascalCase'],
+            leadingUnderscore: 'allow',
+          },
+          {
+            selector: [
+              'classProperty',
+              'objectLiteralProperty',
+              'typeProperty',
+              'classMethod',
+              'objectLiteralMethod',
+              'typeMethod',
+              'accessor',
+              'enumMember',
+            ],
+            format: null,
+            modifiers: ['requiresQuotes'],
+          },
+        ],
+      },
+    },
+  ],
+};