feat: Allow disconnecting agent bots (#6245)

* Allow disconnecting the bot

* Code Climate fix

* Show error message if exists

* Codeclimate test - rename file

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

app/javascript/dashboard/store/modules/agentBots.js

@@ -15,6 +15,7 @@ export const state = {
     isUpdating: false,
     isFetchingAgentBot: false,
     isSettingAgentBot: false,
+    isDisconnecting: false,
   },
   agentBotInbox: {},
 };
@@ -119,6 +120,18 @@ export const actions = {
       commit(types.SET_AGENT_BOT_UI_FLAG, { isSettingAgentBot: false });
     }
   },
+
+  disconnectBot: async ({ commit }, { inboxId }) => {
+    commit(types.SET_AGENT_BOT_UI_FLAG, { isDisconnecting: true });
+    try {
+      await InboxesAPI.setAgentBot(inboxId, null);
+      commit(types.SET_AGENT_BOT_INBOX, { agentBotId: '', inboxId });
+    } catch (error) {
+      throwErrorMessage(error);
+    } finally {
+      commit(types.SET_AGENT_BOT_UI_FLAG, { isDisconnecting: false });
+    }
+  },
 };
 
 export const mutations = {