snapshot: add support for periodic snapshots via http

plugins/snapshot/package-lock.json

@@ -1,12 +1,12 @@
 {
    "name": "@scrypted/snapshot",
-   "version": "0.2.32",
+   "version": "0.2.33",
    "lockfileVersion": 2,
    "requires": true,
    "packages": {
       "": {
          "name": "@scrypted/snapshot",
-         "version": "0.2.32",
+         "version": "0.2.33",
          "dependencies": {
             "@types/node": "^20.10.6",
             "sharp": "^0.33.1",

plugins/snapshot/package.json

@@ -1,6 +1,6 @@
 {
    "name": "@scrypted/snapshot",
-   "version": "0.2.32",
+   "version": "0.2.33",
    "description": "Snapshot Plugin for Scrypted",
    "scripts": {
       "scrypted-setup-project": "scrypted-setup-project",

plugins/snapshot/src/main.ts

@@ -673,6 +673,7 @@ export class SnapshotPlugin extends AutoenableMixinProvider implements MixinProv
             const mixin = this.mixinDevices.get(id);
             let buffer: Buffer;
             const rpo: RequestPictureOptions = {
+                reason: search.get('reason') as 'event' | 'periodic',
                 picture: {
                     width: parseInt(search.get('width')) || undefined,
                     height: parseInt(search.get('height')) || undefined,