Fix rendering of user token special values

Include capitalized `none` and `any` as special values

app/assets/javascripts/filtered_search/filtered_search_visual_tokens.js

@@ -163,7 +163,7 @@ export default class FilteredSearchVisualTokens {
     const tokenValueElement = tokenValueContainer.querySelector('.value');
     tokenValueElement.innerText = tokenValue;
-    if (tokenValue === 'none' || tokenValue === 'any') {
+    if (['none', 'any'].includes(tokenValue.toLowerCase())) {
       return;
     }

spec/javascripts/filtered_search/filtered_search_visual_tokens_spec.js

@@ -755,6 +755,17 @@ describe('Filtered Search Visual Tokens', () => {
       expect(updateUserTokenAppearanceSpy.calls.count()).toBe(0);
     });
+    it('does not update user token appearance for `None` filter', () => {
+      const { tokenNameElement } = findElements(authorToken);
+
+      const tokenName = tokenNameElement.innerText;
+      const tokenValue = 'None';
+
+      subject.renderVisualTokenValue(authorToken, tokenName, tokenValue);
+
+      expect(updateUserTokenAppearanceSpy.calls.count()).toBe(0);
+    });
+
     it('does not update user token appearance for `none` filter', () => {
       const { tokenNameElement } = findElements(authorToken);