VueDx falsely assumes incorrect type for `@Component` from `vue-property-decorator`

[Max Coplan]

Describe the bug
VueDx falsely assumes incorrect type for @Component from vue-property-decorator

To Reproduce

Expected behavior
For there to be no error
Screenshots/Recording

Info (please complete the following information):

Environment Info:

  System:
    OS: macOS 11.3
    CPU: (12) x64 Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
  Binaries:
    Node: 15.9.0 - /usr/local/bin/node
    Yarn: 1.22.10 - /usr/local/bin/yarn
    npm: 7.5.4 - /usr/local/bin/npm
  Browsers:
    Chrome: 89.0.4389.47
    Edge: Not Found
    Firefox: 78.7.1
    Safari: 14.1
  npmPackages:
    @types/vue-moment: 4.0.2 => 4.0.2 
    @vue/babel-helper-vue-jsx-merge-props:  1.2.1 
    @vue/babel-helper-vue-transform-on:  1.0.2 
    @vue/babel-plugin-jsx:  1.0.2 
    @vue/babel-plugin-transform-vue-jsx:  1.2.1 
    @vue/babel-preset-app:  4.5.11 
    @vue/babel-preset-jsx:  1.2.4 
    @vue/babel-sugar-composition-api-inject-h:  1.2.1 
    @vue/babel-sugar-composition-api-render-instance:  1.2.4 
    @vue/babel-sugar-functional-vue:  1.2.2 
    @vue/babel-sugar-inject-h:  1.2.2 
    @vue/babel-sugar-v-model:  1.2.3 
    @vue/babel-sugar-v-on:  1.2.3 
    @vue/cli-overlay:  4.5.11 
    @vue/cli-plugin-babel: 4.5.11 => 4.5.11 
    @vue/cli-plugin-e2e-cypress: 4.5.11 => 4.5.11 
    @vue/cli-plugin-eslint: 4.5.11 => 4.5.11 
    @vue/cli-plugin-pwa: 4.5.11 => 4.5.11 
    @vue/cli-plugin-router: 4.5.11 => 4.5.11 
    @vue/cli-plugin-typescript: 4.5.11 => 4.5.11 
    @vue/cli-plugin-unit-jest: 4.5.11 => 4.5.11 
    @vue/cli-plugin-vuex: 4.5.11 => 4.5.11 
    @vue/cli-service: 4.5.11 => 4.5.11 
    @vue/cli-shared-utils:  4.5.11 
    @vue/component-compiler-utils:  3.2.0 
    @vue/eslint-config-standard:  6.0.0 
    @vue/eslint-config-typescript:  7.0.0 
    @vue/preload-webpack-plugin:  1.1.2 
    @vue/test-utils:  1.1.3 
    @vue/web-component-wrapper:  1.2.0 
    eslint-plugin-vue:  7.6.0 
    jest-serializer-vue:  2.0.2 
    js-cookie-vue: 1.0.8 => 1.0.8 
    typescript: 4.1.5 => 4.1.5 (3.9.7)
    vue: 2.6.12 => 2.6.12 
    vue-class-component: 7.2.6 => 7.2.6 
    vue-cli-plugin-moment: 0.1.1 => 0.1.1 
    vue-cli-plugin-vuetify: 2.1.0 => 2.1.0 
    vue-eslint-parser:  7.2.0 (7.5.0)
    vue-hot-reload-api:  2.3.4 
    vue-jest:  3.0.7 
    vue-loader:  15.9.6 (16.1.2)
    vue-moment: 4.1.0 => 4.1.0 
    vue-property-decorator: 9.1.2 => 9.1.2 
    vue-router: 3.5.1 => 3.5.1 
    vue-style-loader:  4.1.2 
    vue-template-compiler: 2.6.12 => 2.6.12 
    vue-template-es2015-compiler:  1.9.1 
    vuetify: 2.4.4 => 2.4.4 
    vuex: 3.6.2 => 3.6.2 
    vuex-class: 0.3.2 => 0.3.2 
  npmGlobalPackages:
    @vue/cli: 4.5.11

Additional context
I can verify this code is correct, because the DateScroller component is being used