src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts/KeybindingsEditor/getIndexOf
class KeybindingsEditor:	private getIndexOf(listEntry: IKeybindingItemEntry): number {
		const index = this.tableEntries.indexOf(listEntry);
		if (index === -1) {
			for (let i = 0; i < this.tableEntries.length; i++) {
				if (this.tableEntries[i].id === listEntry.id) {
					return i;
				}
			}
		}
		return index;
	}