Add initial edit model button (static) (#4276)

Co-authored-by: github-actions <github-actions@github.com>

src/components/graph/SelectionToolbox.vue

@@ -10,6 +10,7 @@
     <ColorPickerButton />
     <BypassButton />
     <PinButton />
+    <EditModelButton />
     <MaskEditorButton />
     <DeleteButton />
     <RefreshButton />

src/components/graph/selectionToolbox/EditModelButton.vue

@@ -0,0 +1,25 @@
+<template>
+  <Button
+    v-show="canvasStore.nodeSelected || canvasStore.groupSelected"
+    v-tooltip.top="{
+      value: t('commands.Comfy_Canvas_AddEditModelStep.label'),
+      showDelay: 1000
+    }"
+    severity="secondary"
+    text
+    icon="pi pi-pen-to-square"
+    @click="() => commandStore.execute('Comfy.Canvas.AddEditModelStep')"
+  />
+</template>
+
+<script setup lang="ts">
+import Button from 'primevue/button'
+import { useI18n } from 'vue-i18n'
+
+import { useCommandStore } from '@/stores/commandStore'
+import { useCanvasStore } from '@/stores/graphStore'
+
+const { t } = useI18n()
+const commandStore = useCommandStore()
+const canvasStore = useCanvasStore()
+</script>