only hide board config labels

app/assets/javascripts/boards/boards_bundle.js

@@ -87,7 +87,10 @@ $(() => {
         Store.filter.path = [querystring].concat(
           Store.filter.path.split('&').filter(param => param.match(new RegExp(`^${key}=(.*)$`, 'g')) === null)
         ).join('&');
-        this.cantEdit.push(tokenName);
+        this.cantEdit.push({
+          tokenName,
+          value,
+        });
       };
 
       updateFilterPath('milestone_title', this.milestoneTitle, 'milestone');
@@ -104,7 +107,10 @@ $(() => {
           filterPath.push(param);
         }
 
-        this.cantEdit.push('label');
+        this.cantEdit.push({
+          tokenName: 'label',
+          value: label.title,
+        });
       });
 
       Store.filter.path = filterPath.join('&');

app/assets/javascripts/boards/filtered_search_boards.js

@@ -12,6 +12,7 @@ export default class FilteredSearchBoards extends gl.FilteredSearchManager {
     // instead or reloading the page, we just re-fire the list ajax requests
     this.isHandledAsync = true;
     this.cantEdit = cantEdit;
+    this.hiddenTokenNames = cantEdit.map(i => i.tokenName);
   }
 
   updateObject(path) {
@@ -42,7 +43,10 @@ export default class FilteredSearchBoards extends gl.FilteredSearchManager {
     this.filteredSearchInput.dispatchEvent(new Event('input'));
   }
 
-  canEdit(tokenName) {
-    return this.cantEdit.indexOf(tokenName) === -1;
+  canEdit(tokenName, tokenValue) {
+    if (tokenValue && this.hiddenTokenNames.includes(tokenName)) {
+      return this.cantEdit.findIndex(i => i.tokenName === tokenName && i.value === tokenValue) === -1;
+    }
+    return this.hiddenTokenNames.indexOf(tokenName) === -1;
   }
 }

app/assets/javascripts/filtered_search/filtered_search_manager.js

@@ -481,7 +481,7 @@ class FilteredSearchManager {
           }
 
           hasFilteredSearch = true;
-          const canEdit = this.canEdit && this.canEdit(sanitizedKey);
+          const canEdit = this.canEdit && this.canEdit(sanitizedKey, sanitizedValue);
           gl.FilteredSearchVisualTokens.addFilterVisualToken(
             sanitizedKey,
             `${symbol}${quotationsToUse}${sanitizedValue}${quotationsToUse}`,