Update schemas to accept empty arrays

Author: Lord-Grey

libsrc/hyperion/schema/schema-effects.json

@@ -13,6 +13,7 @@
 				"title" : "edt_conf_effp_paths_itemtitle"
 			},
 			"minItems" : 1,
+			"required" : true,
 			"propertyOrder" : 1
 		},
 		"disable" :

libsrc/hyperion/schema/schema-forwarder.json

@@ -42,12 +42,12 @@
 	"jsonapi": {
 	  "type": "array",
 	  "title": "edt_conf_forwarder_json_title",
-	  "allowEmptyArray": true,
 	  "uniqueItems": true,
 	  "access": "expert",
 	  "items": {
 		"type": "object",
 		"title": "edt_conf_forwarder_json_itemtitle",
+		"allowEmptyArray": true,
 		"properties": {
 		  "name": {
 			"type": "string",

libsrc/hyperion/schema/schema-ledConfig.json

@@ -177,6 +177,7 @@
 			"items": {
 				"type": "object",
 				"title": "conf_leds_layout_blacklist_rule_title",
+				"allowEmptyArray": true,
 				"required": true,
 				"properties": {
 					"start": {