feat(dashboard,types,promotion,medusa): hide fields on promotions depending on templates (#7746)

**what:**

- hides different fields depending on the chosen template
- remove operator values API
- fixes to edit promotion rules
- make currency optional for promotion

RESOLVES CORE-2297

packages/core/types/src/http/promotion/admin/rule-attribute-options.ts

@@ -5,6 +5,11 @@ export interface RuleAttributeOptionsResponse {
   field_type: string
   required: boolean
   disguised: boolean
+  operators: {
+    id: string
+    value: string
+    label: string
+  }[]
 }
 
 export interface AdminRuleAttributeOptionsListResponse {

packages/core/types/src/promotion/common/application-method.ts

@@ -124,7 +124,7 @@ export interface CreateApplicationMethodDTO {
   /**
    * Currency of the value to apply.
    */
-  currency_code: string
+  currency_code?: string
 
   /**
    * The max quantity allowed in the cart for the associated promotion to be applied.