[ACS-4130] Added autocomplete to folder rules 'Has Category' condition (#3464)

* [ACS-4130] Added autocomplete for 'Has Category' option in manage rules

* [ACS-4130] Added loading spinner and 'No options found' template for Has Category rule condition. Options are now fetched as soon as user selected 'Has Category' option

* [ACS-4130] Added code to fetch category name when viewing/editing existing rule with has category option selected

* [ACS-4130] Resolved issues related to editing existing rules with 'Has Category' condition

* [ACS-4130] Added safety checks and minor code refactoring

* [ACS-4130] Added unit tests for new autocomplete functionality

* [ACS-4130] Added feature to auto select first option from autocomplete dropdown when user focuses out of autocomplete input field

* [ACS-4130] Minor code refactoring. Moved constants from global scope to local scope

* [ACS-4130] Moved mock data to conditions.mock.ts. Removed redundant return type

* [ACS-4130] Resolved PR review comments - AutoCompleteOption is now an interface. Changed occurences of autocomplete with auto-complete. Removed/Added types

* [ACS-4130] Resolved PR review comments - AutoCompleteOption is now built using a single common helper method

* [ACS-4130] Added missed types

projects/aca-content/folder-rules/assets/i18n/en.json

@@ -139,6 +139,9 @@
     },
     "ERRORS": {
       "DELETE_RULE_SET_LINK_FAILED": "Error while trying to delete a link from a rule set"
+    },
+    "AUTOCOMPLETE": {
+      "NO_OPTIONS_FOUND": "No options found"
     }
   }
 }