Bug 1593921 - Use eslint-disable-next-line to disable complexity checks in DevTools r=pbro

Using next-line is less error prone for refactorings than wrapping methods with enable/disable blocks.

Differential Revision: https://phabricator.services.mozilla.com/D51782

devtools/client/shared/components/tree/TreeView.js

@@ -298,7 +298,7 @@ define(function(require, exports, module) {
 
     // Event Handlers
 
-    /* eslint-disable complexity */
+    // eslint-disable-next-line complexity
     onKeyDown(event) {
       if (!SUPPORTED_KEYS.includes(event.key)) {
         return;
@@ -384,7 +384,6 @@ define(function(require, exports, module) {
       this.treeRef.current.focus();
       event.preventDefault();
     }
-    /* eslint-enable complexity */
 
     onClickRow(nodePath, event) {
       const onClickRow = this.props.onClickRow;