fix(http): clean options only event specify

Author: ramonornela

src/providers/http.ts

@@ -280,8 +280,8 @@ export class Http {
 
     this.events[methodName].call(this.events, (req: any, subscribe: any) => {
       this.plugins.runEvent(method, [ req, subscribe ]);
-      if (method === 'postRequest' || method === 'postRequestError') {
-        this.plugins.cleanOptions();
+      if (method === 'postRequest') {
+        this.plugins.cleanOptions(method);
       }
     });
   }

src/providers/plugins/plugins.ts

@@ -116,13 +116,15 @@ export class Plugins {
     }
   }
 
-  cleanOptions() {
+  cleanOptions(event: string) {
     this.forEach((plugin: Plugin) => {
       if ('restoreOptions' in plugin) {
-        plugin.restoreOptions();
+        if (event && event in plugin) {
+          plugin.restoreOptions();
+        }
       }
+      this.options[plugin.getName()] = {};
     });
-    this.options = {};
   }
 
   setOptions(options: Object): this {