fix: broaden filesystem scope to include $APPDATA root directory

The glob pattern $APPDATA/openpylon/** didn't match the openpylon
directory itself, causing exists() checks to fail with a forbidden
path error on app startup.

src-tauri/capabilities/default.json

@@ -10,35 +10,59 @@
     "shell:default",
     {
       "identifier": "fs:default",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-exists",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-read",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-write",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-mkdir",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-remove",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-copy-file",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     },
     {
       "identifier": "fs:allow-read-dir",
-      "allow": [{ "path": "$APPDATA/openpylon/**" }]
+      "allow": [
+        { "path": "$APPDATA" },
+        { "path": "$APPDATA/**" }
+      ]
     }
   ]
 }