feat(frontend): add prop picker to iterator

frontend/src/lib/components/flows/content/FlowEditorPanel.svelte

@@ -8,8 +8,6 @@
 	import FlowLoop from './FlowLoop.svelte'
 	import FlowFailureModule from './FlowFailureModule.svelte'
 
-	export let previewArgs: Record<string, any> = {}
-
 	export let initialPath: string
 
 	const { selectedId } = getContext<FlowEditorContext>('FlowEditorContext')
@@ -23,7 +21,7 @@
 	{:else if $selectedId === 'settings-retries'}
 		<FlowSettings {initialPath} defaultTab="retries" />
 	{:else if $selectedId.includes('loop')}
-		<FlowLoop {previewArgs} />
+		<FlowLoop />
 	{:else if $selectedId === 'inputs'}
 		<FlowInput />
 	{:else if $selectedId === 'failure'}

frontend/src/lib/components/flows/content/FlowFailureModule.svelte

@@ -1,18 +1,12 @@
 <script lang="ts">
-	import { getContext } from 'svelte'
-
 	import { flowStateStore } from '../flowState'
 	import { flowStore } from '../flowStore'
-	import type { FlowEditorContext } from '../types'
 
 	import FlowModule from './FlowModule.svelte'
-
-	const { previewArgs } = getContext<FlowEditorContext>('FlowEditorContext')
 </script>
 
 {#if $flowStore.value.failure_module}
 	<FlowModule
-		{previewArgs}
 		bind:flowModule={$flowStore.value.failure_module}
 		bind:flowModuleState={$flowStateStore.failureModule}
 		on:delete={() => {

frontend/src/lib/components/flows/content/FlowModuleWrapper.svelte

@@ -20,7 +20,6 @@
 			{#if mod.type == 'forloopflow' && state != undefined}
 				<FlowModule
 					failureModule={false}
-					previewArgs={$previewArgs}
 					bind:flowModule={mod.modules[childIndex]}
 					bind:flowModuleState={state[childIndex]}
 					on:delete={() => {
@@ -41,7 +40,6 @@
 {:else if $flowStore.value.modules[parentIndex]}
 	<FlowModule
 		failureModule={false}
-		previewArgs={$previewArgs}
 		bind:flowModule={$flowStore.value.modules[parentIndex]}
 		bind:flowModuleState={$flowStateStore.modules[parentIndex]}
 		on:delete={() => {