Cancel struck slack conversations (#2592)

* Add script to display user mentions in Service Portal

This script retrieves and displays the top 5 records where the logged-in user is mentioned, providing links to those records.

* Delete Modern Development/Service Portal Widgets/My Mentioned Items directory

* Create script.js

* Delete Modern Development/Service Portal Widgets/My Mentioned Items directory

* Create script.js

* Delete Server-Side Components/Scheduled Jobs/Retire Rating 1 Articles directory

* Create script.js

* Create README.md

* Update README.md

* Update script.js

* Update and rename README.md to README.md

* Update README.md

* Create script.js

* Delete Specialized Areas/Fix scripts/Cacel Struck Slack Conversations directory

Author: raghavs046

Specialized Areas/Fix scripts/Cancel Struck Slack Conversations/README.md

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+**Use Case**
+1. Sometimes due to network or connecton issue, users are not able to end the conversations using **restart** or **end** command from slack.
+2. This script will cancel the struck slack conversations, allowing the users to interaction with ServiceNow again through slack.
+3. The encoded Query device type specify the source of conversation.

Specialized Areas/Fix scripts/Cancel Struck Slack Conversations/script.js

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+/*
+This script will mark the struck slack conversation as canceled.
+Use Case: Sometimes due to n/w  or connecton issue, users are not able to end the conversations using restart or end command from slack.
+Device Type in Encoded Query specify the source of conversation, slack in this case.
+*/
+var struckConv = new GlideRecord('sys_cs_conversation'); // conversation table glide record
+struckConv.addEncodedQuery('stateINopen,faulted,chatInProgress^device_type=slack'); // Query can be enhanced based on user (consumer) or date range.
+struckConv.query();
+while(struckConv.next()){
+	struckConv.setValue('state','canceled'); // set the state to cancel for struck conversation.
+	struckConv.setWorkflow(false);
+	struckConv.update();
+}