Refactor AdvowareAkte ↔ CDokumente relationship from junction table to direct n:1 relationship

- Removed CAdvowareAktenCDokumente junction table and associated service.
- Updated CDokumente entity to include foreign key cAdvowareAktenId and related fields.
- Changed relationship in CDokumente from hasMany to belongsTo.
- Updated CAdvowareAkten to reflect new direct relationship.
- Implemented CDokumente service with duplicateDocument method for document duplication.
- Refactored hooks to support new relationship and document propagation.
- Removed obsolete API routes related to the junction table.
- Added i18n translations for new fields and updated tooltips.
- Document flow and auto-linking logic enhanced for better integration with Advoware.
- Validation checks passed, and no data migration needed.

custom/Espo/Custom/Resources/metadata/entityDefs/CAdvowareAkten.json

@@ -108,23 +108,27 @@
         "dokumenteHnr": {
             "type": "int",
             "notStorable": true,
-            "utility": true
+            "utility": true,
+            "disabled": true
         },
         "dokumenteSyncstatus": {
             "type": "enum",
             "options": ["new", "unclean", "synced", "failed"],
             "notStorable": true,
-            "utility": true
+            "utility": true,
+            "disabled": true
         },
         "dokumenteLastSync": {
             "type": "datetime",
             "notStorable": true,
-            "utility": true
+            "utility": true,
+            "disabled": true
         },
         "dokumenteSyncedHash": {
             "type": "varchar",
             "notStorable": true,
-            "utility": true
+            "utility": true,
+            "disabled": true
         },
         "dokumentes": {
             "type": "linkMultiple",
@@ -135,16 +139,7 @@
             "importDisabled": false,
             "exportDisabled": false,
             "customizationDisabled": false,
-            "columns": {
-                "hnr": "advowareAktenHnr",
-                "syncstatus": "advowareAktenSyncstatus",
-                "lastSync": "advowareAktenLastSync",
-                "syncedHash": "advowareAktenSyncedHash"
-            },
-            "additionalAttributeList": [
-                "columns"
-            ],
-            "view": "views/fields/link-multiple-with-columns",
+            "disabled": true,
             "isCustom": true
         }
     },
@@ -202,28 +197,10 @@
         },
         "dokumentes": {
             "type": "hasMany",
-            "relationName": "cAdvowareAktenDokumente",
-            "foreign": "advowareAktens",
+            "foreign": "cAdvowareAkten",
             "entity": "CDokumente",
             "audited": true,
-            "isCustom": true,
-            "additionalColumns": {
-                "hnr": {
-                    "type": "int"
-                },
-                "syncstatus": {
-                    "type": "varchar",
-                    "len": 20
-                },
-                "lastSync": {
-                    "type": "datetime"
-                }
-            },
-            "columnAttributeMap": {
-                "hnr": "dokumenteHnr",
-                "syncstatus": "dokumenteSyncstatus",
-                "lastSync": "dokumenteLastSync"
-            }
+            "isCustom": true
         }
     },
     "collection": {