feat: Add support for labels in automations (#11658)

- Add support for using labels as an action event for automation
 - Fix duplicated conversation_updated event dispatch for labels
 

Fixes https://github.com/chatwoot/chatwoot/issues/8539 and multiple
issues around duplication related to label change events.
---------

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/dashboard/routes/dashboard/settings/automation/constants.js

@@ -68,6 +68,12 @@ export const AUTOMATIONS = {
         inputType: 'plain_text',
         filterOperators: OPERATOR_TYPES_6,
       },
+      {
+        key: 'labels',
+        name: 'LABELS',
+        inputType: 'multi_select',
+        filterOperators: OPERATOR_TYPES_3,
+      },
     ],
     actions: [
       {
@@ -186,6 +192,12 @@ export const AUTOMATIONS = {
         inputType: 'multi_select',
         filterOperators: OPERATOR_TYPES_1,
       },
+      {
+        key: 'labels',
+        name: 'LABELS',
+        inputType: 'multi_select',
+        filterOperators: OPERATOR_TYPES_3,
+      },
     ],
     actions: [
       {
@@ -308,6 +320,12 @@ export const AUTOMATIONS = {
         inputType: 'multi_select',
         filterOperators: OPERATOR_TYPES_1,
       },
+      {
+        key: 'labels',
+        name: 'LABELS',
+        inputType: 'multi_select',
+        filterOperators: OPERATOR_TYPES_3,
+      },
     ],
     actions: [
       {
@@ -424,6 +442,12 @@ export const AUTOMATIONS = {
         inputType: 'multi_select',
         filterOperators: OPERATOR_TYPES_1,
       },
+      {
+        key: 'labels',
+        name: 'LABELS',
+        inputType: 'multi_select',
+        filterOperators: OPERATOR_TYPES_3,
+      },
     ],
     actions: [
       {