Disable sandbox for unsigned distribution

The sandbox blocks the bundled JRE from executing when the app is
unsigned. Since there is no Developer account, sandbox enforcement
provides no benefit and breaks the Java conversion process.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Engagendy

MPPViewer/MPPViewer/MPPViewer.entitlements

@@ -3,12 +3,8 @@
 <plist version="1.0">
 <dict>
 	<key>com.apple.security.app-sandbox</key>
-	<true/>
+	<false/>
 	<key>com.apple.security.files.user-selected.read-only</key>
 	<true/>
-	<key>com.apple.security.temporary-exception.files.absolute-path.read-write</key>
-	<array>
-		<string>/tmp/</string>
-	</array>
 </dict>
 </plist>