small nits autosize and lighweight arg textarea

frontend/src/lib/autosize.ts

@@ -34,7 +34,7 @@ export const action = (node) => {
 			} else {
 				node.value = '|'
 				node.style.height = '0px'
-				height = node.scrollHeight
+				height = node.scrollHeight + 20
 				node.value = ''
 			}
 		}

frontend/src/lib/components/LightweightArgInput.svelte

@@ -524,7 +524,7 @@
 							}}
 							use:autosize
 							style="min-height: 5px;"
-							class="col-span-10 {valid && error == ''
+							class="col-span-10 !leading-tight !text-2xs {valid && error == ''
 								? ''
 								: 'border !border-red-700 !border-opacity-70 focus:!border-red-700 focus:!border-opacity-30'}"
 							placeholder={defaultValue ? JSON.stringify(defaultValue, null, 4) : ''}