chore(applet): fix linting problems with props (#1070)

Author: skirtles-code

packages/applet/src/components/state/ChildStateViewer.vue

@@ -4,7 +4,7 @@ import StateFieldViewer from './StateFieldViewer.vue'
 
 withDefaults(defineProps<{
   data: CustomInspectorState[]
-  depth: number
+  depth?: number
   index: string
   expandedStateId?: string
 }>(), {

packages/applet/src/components/tree/TreeViewer.vue

@@ -9,8 +9,8 @@ import { useToggleExpanded } from '~/composables/toggle-expanded'
 
 withDefaults(defineProps<{
   data: ComponentTreeNode[] | InspectorTree[]
-  depth: number
-  withTag: boolean
+  depth?: number
+  withTag?: boolean
 }>(), {
   depth: 0,
   withTag: false,