fix(fs): Prevent deadlock when scope listeners are registered. (#1221)

* fix(fs): Prevent deadlock when scope listeners are registered.

* block

.changes/fix-fs-scope-deadlock.md

@@ -0,0 +1,5 @@
+---
+"fs": patch
+---
+
+Fixes an issue that caused the app to freeze when the `dialog`, `fs`, and `persisted-scope` plugins were used together.

plugins/fs/src/scope.rs

@@ -55,9 +55,11 @@ impl Scope {
     pub fn allow_directory<P: AsRef<Path>>(&self, path: P, recursive: bool) {
         let path = path.as_ref();
 
-        let mut allowed = self.allowed.lock().unwrap();
-        allowed.push(path.to_path_buf());
-        allowed.push(path.join(if recursive { "**" } else { "*" }));
+        {
+            let mut allowed = self.allowed.lock().unwrap();
+            allowed.push(path.to_path_buf());
+            allowed.push(path.join(if recursive { "**" } else { "*" }));
+        }
 
         self.emit(Event::PathAllowed(path.to_path_buf()));
     }
@@ -79,9 +81,11 @@ impl Scope {
     pub fn forbid_directory<P: AsRef<Path>>(&self, path: P, recursive: bool) {
         let path = path.as_ref();
 
-        let mut denied = self.denied.lock().unwrap();
-        denied.push(path.to_path_buf());
-        denied.push(path.join(if recursive { "**" } else { "*" }));
+        {
+            let mut denied = self.denied.lock().unwrap();
+            denied.push(path.to_path_buf());
+            denied.push(path.join(if recursive { "**" } else { "*" }));
+        }
 
         self.emit(Event::PathForbidden(path.to_path_buf()));
     }