Fix component option order in snippets

This fixes `vue/order-in-components` violations in the
`{,ee/}app/assets/javascripts/snippets` directories.

Part of https://gitlab.com/gitlab-org/gitlab/-/issues/297216.

app/assets/javascripts/snippets/components/snippet_blob_view.vue

@@ -41,6 +41,11 @@ export default {
       },
     },
   },
+  provide() {
+    return {
+      blobHash: Math.random().toString().split('.')[1],
+    };
+  },
   props: {
     snippet: {
       type: Object,
@@ -51,11 +56,6 @@ export default {
       required: true,
     },
   },
-  provide() {
-    return {
-      blobHash: Math.random().toString().split('.')[1],
-    };
-  },
   data() {
     return {
       blobContent: '',