feat: set action and component from context (#672)

Prefer context._action and context._component over values set by the request

This matches the server-side behavior.

Author: stympy

Diff for: lib/honeybadger/notice.rb

@@ -217,9 +217,9 @@ def initialize(config, opts = {})
       self.tags = construct_tags(opts[:tags]) | construct_tags(context[:tags])
 
       self.url        = opts[:url]        || request_hash[:url]      || nil
-      self.action     = opts[:action]     || request_hash[:action]   || nil
-      self.component  = opts[:controller] || opts[:component]        || request_hash[:component] || nil
-      self.params     = opts[:parameters] || opts[:params]           || request_hash[:params] || {}
+      self.action     = opts[:action]     || context[:_action]       || request_hash[:action]    || nil
+      self.component  = opts[:controller] || opts[:component]        || context[:_component]     || request_hash[:component] || nil
+      self.params     = opts[:parameters] || opts[:params]           || request_hash[:params]    || {}
       self.session    = opts[:session]    || request_hash[:session]  || {}
       self.cgi_data   = opts[:cgi_data]   || request_hash[:cgi_data] || {}
       self.details    = opts[:details]    || {}