feat(android): implement file picker for data export

- Add @capawesome/capacitor-file-picker dependency
- Update DataExportSection UI text to reflect new file picker behavior
- Implement file picker in CapacitorPlatformService
- Add debug logging for path handling
- Fix logger to show messages in Capacitor environment

WIP: File path handling still needs refinement

package-lock.json

@@ -15,6 +15,7 @@
         "@capacitor/core": "^6.2.0",
         "@capacitor/filesystem": "^6.0.0",
         "@capacitor/ios": "^6.2.0",
+        "@capawesome/capacitor-file-picker": "^6.2.0",
         "@dicebear/collection": "^5.4.1",
         "@dicebear/core": "^5.4.1",
         "@ethersproject/hdnode": "^5.7.0",
@@ -2907,6 +2908,25 @@
         "@capacitor/core": "^6.2.0"
       }
     },
+    "node_modules/@capawesome/capacitor-file-picker": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/@capawesome/capacitor-file-picker/-/capacitor-file-picker-6.2.0.tgz",
+      "integrity": "sha512-ZgXbC3qOyKJrQh2bQIOLcjAYOdS8+ii1V0zaV56pMAw2i/pitdayvdBs7Da3tTw/eMdUNZ0lBYZcLN6NPQMIvA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/capawesome-team/"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/capawesome"
+        }
+      ],
+      "license": "MIT",
+      "peerDependencies": {
+        "@capacitor/core": "^6.0.0"
+      }
+    },
     "node_modules/@cbor-extract/cbor-extract-darwin-arm64": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/@cbor-extract/cbor-extract-darwin-arm64/-/cbor-extract-darwin-arm64-2.2.0.tgz",