feat: Client & CKYC UI improvements — filters, KYC management, image crop+merge

- Clients list: CKYC icon, CKYC Number column, status/legal form/CKYC filters
- CKYC: SFTP upload logs, date formatting, modal z-index fix, non-dismissible dialogs
- KYC Management: new standalone module with alert dashboard, notification scheduler, audit inventory, account status
- Image cropper: ngx-image-cropper integration for front+back document merge into single PNG
- Sidebar: KYC Management menu entry after CKYC

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -70,6 +70,7 @@
     "lightgallery": "^2.9.0",
     "lodash": "4.17.23",
     "moment": "^2.29.4",
+    "ngx-image-cropper": "^9.1.6",
     "ngx-mat-select-search": "^8.0.2",
     "rxjs": "^7.8.2",
     "signature_pad": "^5.1.3",