Allow usage of version 7.x of the `tinymce` peer dependency (#1864)

package.json

@@ -206,7 +206,7 @@
     "nouislider": "^15.7.0",
     "plyr": "^3.7.8",
     "star-rating.js": "^4.3.0",
-    "tinymce": "^6.4.2",
+    "tinymce": "^6.4.2 || ^7.0.0",
     "tom-select": "^2.2.2"
   },
   "peerDependenciesMeta": {