NGFW-15865 gloabal condition functionlity implemnetation

[ShubhamJambhale-arista]

• Added global conditions functionality to the Reports section, allowing users to apply cross-report filters (username, protocol, hostname, client/server address, server port, policy ID) with SQL-style operators
• Global conditions are managed in the Vuex store (reports.globalConditions), persist across route navigation, but reset on page refresh and logout
• Reports whose database table lacks the required condition columns are automatically disabled in the navigation
• Wired up condition props and events (add-condition, remove-condition, clear-conditions) from vuntangle into both Reports.vue and ReportDetails.vue via a shared reportsMixin
• Attached UI for ref as below