feat(web): add icons/emoji to selectors, sync bot enable status and plugin list in sidebar

- Bot adapter selector: show adapter icon in trigger and dropdown items
- Knowledge engine selector: show plugin icon derived from plugin_id
- Pipeline binding selector: show pipeline emoji in trigger and dropdown items
- Knowledge base selectors (single/multi): show KB emoji in all views
- Sidebar bot entries: show green/gray status dot on adapter icon for enable/disable state
- Sidebar plugin list: sync after install/uninstall from all entry points (PluginInstalledComponent, plugins page, marketplace page)
- Pipeline form: add cursor-pointer to left-side tab list buttons
- Clean up unused onBotDeleted prop from BotForm

web/src/app/home/pipelines/components/pipeline-form/PipelineFormComponent.tsx

@@ -456,7 +456,7 @@ export default function PipelineFormComponent({
                             type="button"
                             onClick={() => setActiveSection(section.name)}
                             className={cn(
-                              'w-full flex items-center gap-2 px-3 py-2 rounded-md text-sm font-medium transition-colors text-left',
+                              'w-full flex items-center gap-2 px-3 py-2 rounded-md text-sm font-medium transition-colors text-left cursor-pointer',
                               activeSection === section.name
                                 ? 'bg-accent text-accent-foreground'
                                 : 'text-muted-foreground hover:bg-muted hover:text-foreground',