Revert "remove yPadding in template and simple editor"

This reverts commit 8f27c8d0b8.

frontend/src/lib/components/InputTransformForm.svelte

@@ -766,6 +766,7 @@
 							<SimpleEditor
 								bind:this={monaco}
 								bind:code={arg.expr}
+								yPadding={8}
 								{extraLib}
 								lang="javascript"
 								shouldBindKey={false}

frontend/src/lib/components/JsonEditor.svelte

@@ -89,6 +89,7 @@
 				{disabled}
 				{fixedOverflowWidgets}
 				renderLineHighlight="none"
+				yPadding={8}
 			/>
 		</div>
 		{#if error != ''}

frontend/src/lib/components/SimpleEditor.svelte

@@ -90,7 +90,8 @@
 		key,
 		disabled = false,
 		minHeight = 1000,
-		renderLineHighlight = 'none'
+		renderLineHighlight = 'none',
+		yPadding
 	}: {
 		lang: string
 		code?: string
@@ -119,6 +120,7 @@
 		disabled?: boolean
 		minHeight?: number
 		renderLineHighlight?: 'all' | 'line' | 'gutter' | 'none'
+		yPadding?: number
 	} = $props()
 
 	const dispatch = createEventDispatcher()
@@ -336,6 +338,7 @@
 					$relativeLineNumbers
 				),
 				model,
+				...(yPadding !== undefined ? { padding: { bottom: yPadding, top: yPadding } } : {}),
 				renderLineHighlight,
 				lineDecorationsWidth: 6,
 				lineNumbersMinChars: 2,

frontend/src/lib/components/TemplateEditor.svelte

@@ -452,7 +452,12 @@
 				fontSize,
 				suggestOnTriggerCharacters: true,
 				renderLineHighlight: 'none',
-				lineNumbers: 'off'
+				lineNumbers: 'off',
+
+				padding: {
+					bottom: 8,
+					top: 8
+				}
 			})
 		} catch (e) {
 			console.error('Error loading monaco:', e)

frontend/src/lib/components/schema/FlowPropertyEditor.svelte

@@ -447,6 +447,7 @@
 	{#if showExpr}
 		<div class="mt-2 bg-surface-secondary rounded-md pl-4">
 			<SimpleEditor
+				yPadding={8}
 				extraLib={`declare const fields: Record<${propsNames
 					?.filter((x) => x != name)
 					.map((x) => `"${x}"`)