Fix prop confirmation bug, add Wan 2.7 model, refine multiple UI details, improve prop generation quality and aspect ratio, remove text overlays from Asset Center created images, and optimize prop filtering logic

messages/zh/assetPicker.json

@@ -10,10 +10,10 @@
     "appearances": "个形象",
     "images": "张图片",
     "cancel": "取消",
-    "confirmCopy": "确认复制",
-    "copyFromGlobal": "从资产中心复制",
-    "copySuccess": "复制成功",
-    "copyFailed": "复制失败",
+    "confirmCopy": "确认导入",
+    "copyFromGlobal": "从资产中心导入",
+    "copySuccess": "导入成功",
+    "copyFailed": "导入失败",
     "preview": "试听",
     "stop": "停止"
 }