Fix formatting bug with map key expression (#6893)

Author: bentsherman

modules/nf-lang/src/main/java/nextflow/script/control/ResolveVisitor.java

@@ -360,6 +360,7 @@ protected Expression transformPropertyExpression(PropertyExpression pe) {
         property = transform(pe.getProperty());
         var result = new PropertyExpression(objectExpression, property, pe.isSafe());
         result.setSpreadSafe(pe.isSpreadSafe());
+        result.copyNodeMetaData(pe);
         // attempt to resolve property expression as a fully-qualified class name
         var className = lookupClassName(result);
         if( className != null ) {

modules/nf-lang/src/test/groovy/nextflow/script/formatter/ScriptFormatterTest.groovy

@@ -620,6 +620,14 @@ class ScriptFormatterTest extends Specification {
             [(x): 1]
             '''
         )
+        checkFormat(
+            '''\
+            [(x.y):1]
+            ''',
+            '''\
+            [(x.y): 1]
+            '''
+        )
     }
 
     def 'should format a closure' () {