[WEB] Add AI generator items to the Insert menu (#33967)

* adding  abstract generator in the dropdown

* add abstract generator to Insert menu dropdown

* add Keywords generator to Insert menu

* adding title generator and removing some unused code

* adding spanish translations

* adding buildOpenGeneratorHandler

* changing the approach to slots approach

* removing the feature flag

* niptick

* rename the file

* adding tests

* [WEB] Style changes for Writefull pop-up component   (#34067)

GitOrigin-RevId: 0bc97c2c1f3dc458a2ca30e8cc54dddfd5bc9b3b

services/web/frontend/js/features/ide-react/context/command-registry-context.tsx

@@ -5,6 +5,7 @@ import {
   useContext,
   useMemo,
   useState,
+  ReactNode,
 } from 'react'
 
 type CommandInvocationContext = {
@@ -19,6 +20,7 @@ export type Command = {
   handler?: (context: CommandInvocationContext) => void
   href?: string
   disabled?: boolean
+  leadingIcon?: ReactNode
 }
 
 const CommandRegistryContext = createContext<CommandRegistry | undefined>(