[REF] path method in PackageSymbol

Package symbols only have a single path.

Before this commit, the `PackageSymbol::paths` method always returned a
single-element Vec<String>.

This commit renames it to `path` (singular) and  makes it return the
single path instead.

Author: cammarosano

server/src/core/symbols/package_symbol.rs

@@ -82,10 +82,10 @@ impl PackageSymbol {
             PackageSymbol::PythonPackage(p) => p.module_symbols.insert(file.borrow().name().clone(), file.clone()),
         };
     }
-    pub fn paths(&self) -> Vec<String> {
+    pub fn path(&self) -> &String {
         match self {
-            PackageSymbol::Module(m) => vec![m.path.clone()],
-            PackageSymbol::PythonPackage(p) => vec![p.path.clone()],
+            PackageSymbol::Module(m) => &m.path,
+            PackageSymbol::PythonPackage(p) => &p.path,
         }
     }
     pub fn is_external(&self) -> bool {

server/src/core/symbols/symbol.rs

@@ -847,7 +847,7 @@ impl Symbol {
             Symbol::Root(_) => vec![],
             Symbol::Namespace(n) => n.paths(),
             Symbol::DiskDir(d) => vec![d.path.clone()],
-            Symbol::Package(p) => p.paths(),
+            Symbol::Package(p) => vec![p.path().clone()],
             Symbol::File(f) => vec![f.path.clone()],
             Symbol::Compiled(c) => vec![c.path.clone()],
             Symbol::Class(_) => vec![],
@@ -860,7 +860,7 @@ impl Symbol {
 
     pub fn get_symbol_first_path(&self) -> String{
         match self{
-            Symbol::Package(p) => PathBuf::from(p.paths()[0].clone()).join("__init__.py").sanitize() + p.i_ext().as_str(),
+            Symbol::Package(p) => PathBuf::from(p.path().clone()).join("__init__.py").sanitize() + p.i_ext().as_str(),
             Symbol::File(f) => f.path.clone(),
             Symbol::DiskDir(_) => panic!("invalid symbol type to extract path"),
             Symbol::Root(_) => panic!("invalid symbol type to extract path"),