Admin reports controller improvements (#1714)

* Simplify admin/reports controller filtering for index

* Rename parameter to resolved

* Fix issue where reports view could not access filter_link_to

* Add coverage for admin/reports controller

* DRY up resolution of related reports for target account

* Clean up admin/reports routes

* Add Report#statuses method

* DRY up current account action taken params

* Rubocop styles

config/routes.rb

@@ -80,13 +80,8 @@ Rails.application.routes.draw do
     resources :domain_blocks, only: [:index, :new, :create]
     resources :settings, only: [:index, :update]
 
-    resources :reports, only: [:index, :show] do
-      member do
-        post :resolve
-        post :silence
-        post :suspend
-        post :remove
-      end
+    resources :reports, only: [:index, :show, :update] do
+      resources :reported_statuses, only: :destroy
     end
 
     resources :accounts, only: [:index, :show] do