fix: default read visibility to public for shorthand asymmetric syntax

Author: jorgsowa

src/parser/class.js

@@ -442,6 +442,10 @@ module.exports = {
           this.next(); // consume the visibility keyword
           if (this.version >= 804 && this.token === "(") {
             // visibility(set) modifier: e.g. private(set)
+            // For shorthand, default get visibility to public if not already set
+            if (result[0][0] === -1) {
+              result[0][0] = 0;
+            }
             this.next(); // consume '('
             if (this.token !== this.tok.T_STRING || this.text() !== "set") {
               this.error("set");

test/snapshot/__snapshots__/asymmetric-visibility.test.js.snap

@@ -1207,7 +1207,7 @@ Program {
               "value": null,
             },
           ],
-          "visibility": "",
+          "visibility": "public",
           "visibilitySet": "private",
         },
       ],
@@ -1311,7 +1311,7 @@ Program {
               "value": null,
             },
           ],
-          "visibility": "",
+          "visibility": "public",
           "visibilitySet": "protected",
         },
       ],