Make search work with settings without keys

src/store/modules/normalizers.js

src/views/settings/components/Inputs.vue

src/views/settings/components/Setting.vue

...s/settings/components/inputComponents/AutoLinkerInput.vue

...tings/components/inputComponents/EditableKeywordInput.vue

src/views/settings/components/inputComponents/IconsInput.vue

...iews/settings/components/inputComponents/MascotsInput.vue

...ws/settings/components/inputComponents/MultipleSelect.vue

...ews/settings/components/inputComponents/ProxyUrlInput.vue

src/views/settings/components/inputComponents/PruneInput.vue

...ws/settings/components/inputComponents/RateLimitInput.vue

src/views/settings/index.vue