Fix: globbing--read extra storage from owner instead of receiver (#607)

This fixes an issue where a PklBugException is thrown when a globbed
read/import is amended.

pkl-core/src/main/java/org/pkl/core/ast/expression/unary/ImportGlobMemberBodyNode.java

@@ -45,7 +45,7 @@ public final class ImportGlobMemberBodyNode extends ExpressionNode {
 
   @Override
   public Object executeGeneric(VirtualFrame frame) {
-    var mapping = VmUtils.getObjectReceiver(frame);
+    var mapping = VmUtils.getOwner(frame);
     var path = (String) VmUtils.getMemberKey(frame);
     return importModule(mapping, path);
   }

pkl-core/src/main/java/org/pkl/core/ast/expression/unary/ReadGlobMemberBodyNode.java

@@ -33,7 +33,7 @@ public class ReadGlobMemberBodyNode extends ExpressionNode {
 
   @Override
   public Object executeGeneric(VirtualFrame frame) {
-    var mapping = VmUtils.getObjectReceiver(frame);
+    var mapping = VmUtils.getOwner(frame);
     var path = (String) VmUtils.getMemberKey(frame);
     return readResource(mapping, path);
   }

pkl-core/src/test/files/LanguageSnippetTests/input/basic/importGlob.pkl

@@ -16,6 +16,16 @@ examples {
     import*("../../input-helper/globtest/**.pkl").keys.toListing()
   }
 
+  ["amended"] {
+    (import*("../../input-helper/globtest/**.pkl")) {
+      [[true]] {
+        output {
+          renderer = new YamlRenderer {}
+        }
+      }
+    }.toMap().values.map((it) -> it.output.text).join("\n---\n")
+  }
+
   ["globstar then up one level"] {
     import*("../../input-helper/globtest/**/../*.pkl").keys.toListing()
   }

pkl-core/src/test/files/LanguageSnippetTests/input/basic/readGlob.pkl

@@ -8,6 +8,14 @@ examples {
     read*("globtest/*.txt")
   }
 
+  ["amended"] {
+    (read*("../../input-helper/globtest/**.pkl")) {
+      [[true]] {
+        text = "hi"
+      }
+    }
+  }
+
   ["env:"] {
     // doesn't match names that include slashes
     read*("env:*")

pkl-core/src/test/files/LanguageSnippetTests/output/basic/importGlob.pcf

@@ -21,6 +21,21 @@ examples {
       "../../input-helper/globtest/child/moduleC.pkl"
     }
   }
+  ["amended"] {
+    """
+     {}
+    
+    ---
+    name: moduleA
+    
+    ---
+    name: moduleB
+    
+    ---
+    name: child/moduleC
+    
+    """
+  }
   ["globstar then up one level"] {
     new {
       "../../input-helper/globtest/child/../module with [weird] ~!characters.pkl"

pkl-core/src/test/files/LanguageSnippetTests/output/basic/readGlob.pcf

@@ -50,6 +50,30 @@ examples {
       }
     }
   }
+  ["amended"] {
+    new {
+      ["../../input-helper/globtest/module with [weird] ~!characters.pkl"] {
+        uri = "file:///$snippetsDir/input-helper/globtest/module%20with%20%5Bweird%5D%20~!characters.pkl"
+        text = "hi"
+        base64 = ""
+      }
+      ["../../input-helper/globtest/moduleA.pkl"] {
+        uri = "file:///$snippetsDir/input-helper/globtest/moduleA.pkl"
+        text = "hi"
+        base64 = "bmFtZSA9ICJtb2R1bGVBIgo="
+      }
+      ["../../input-helper/globtest/moduleB.pkl"] {
+        uri = "file:///$snippetsDir/input-helper/globtest/moduleB.pkl"
+        text = "hi"
+        base64 = "bmFtZSA9ICJtb2R1bGVCIgo="
+      }
+      ["../../input-helper/globtest/child/moduleC.pkl"] {
+        uri = "file:///$snippetsDir/input-helper/globtest/child/moduleC.pkl"
+        text = "hi"
+        base64 = "bmFtZSA9ICJjaGlsZC9tb2R1bGVDIgo="
+      }
+    }
+  }
   ["env:"] {
     new {
       ["env:NAME1"] = "value1"