chore: Add assigned option to conversation finder API (#2630)

- Adds the ability to filter all the conversations which are assigned
- Add rack timeout gem
- Remove size attribute from Sidekiq config

swagger/swagger.json

@@ -1406,7 +1406,8 @@
             "enum": [
               "me",
               "unassigned",
-              "all"
+              "all",
+              "assigned"
             ]
           },
           {
@@ -1542,6 +1543,78 @@
         }
       }
     },
+    "/api/v1/accounts/{account_id}/conversations/": {
+      "get": {
+        "tags": [
+          "Conversation"
+        ],
+        "operationId": "conversationList",
+        "description": "List all the conversations with pagination",
+        "summary": "Conversations List",
+        "parameters": [
+          {
+            "$ref": "#/parameters/account_id"
+          },
+          {
+            "name": "assignee_type",
+            "in": "query",
+            "type": "string",
+            "enum": [
+              "me",
+              "unassigned",
+              "all",
+              "assigned"
+            ],
+            "required": true
+          },
+          {
+            "name": "status",
+            "in": "query",
+            "type": "string",
+            "enum": [
+              "open",
+              "resolved",
+              "bot"
+            ],
+            "required": true
+          },
+          {
+            "name": "page",
+            "in": "query",
+            "type": "integer",
+            "required": true
+          },
+          {
+            "name": "inbox_id",
+            "in": "query",
+            "type": "integer"
+          },
+          {
+            "name": "labels",
+            "in": "query",
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/conversation_list"
+            }
+          },
+          "400": {
+            "description": "Bad Request Error",
+            "schema": {
+              "$ref": "#/definitions/bad_request_error"
+            }
+          },
+          "description": "Access denied"
+        }
+      }
+    },
     "/api/v1/accounts/{account_id}/conversations/{converstion_id}": {
       "parameters": [
         {