[AA] Expand functionality of TestScopeRenderer.

- Add package and constructor listings
- Add single-scope renderForTests() implementation, including a lambda
  to provide additional information about each symbol
- Remove special handling for empty scopes (interfered with single-scope
  rendering)

^KT-59329

analysis/analysis-api/testData/components/scopeProvider/scopeContextForPosition/contextReceiver.txt

@@ -7,9 +7,14 @@ implicit receivers:
   owner symbol: KtFirFunctionSymbol
 
 scopes:
-  LocalScope, index = 0, empty
+  LocalScope, index = 0
+    packages: 0
+    classifiers: 0
+    callables: 0
+    constructors: 0
 
   TypeScope, index = 1
+    packages: 0
     classifiers: 0
     callables: 4
       KtFunctionSymbol:
@@ -141,12 +146,58 @@ scopes:
         typeParameters: []
         valueParameters: []
         visibility: Public
+    constructors: 1
+      KtConstructorSymbol:
+        annotationsList: []
+        callableIdIfNonLocal: null
+        containingClassIdIfNonLocal: Context
+        contextReceivers: []
+        hasStableParameterNames: true
+        isExtension: false
+        isPrimary: true
+        origin: SOURCE_MEMBER_GENERATED
+        receiverParameter: null
+        returnType: KtUsualClassType:
+          annotationsList: []
+          ownTypeArguments: []
+          type: Context
+        symbolKind: CLASS_MEMBER
+        typeParameters: []
+        valueParameters: []
+        visibility: Public
 
-  LocalScope, index = 2, empty
+  LocalScope, index = 2
+    packages: 0
+    classifiers: 0
+    callables: 0
+    constructors: 0
 
-  ExplicitSimpleImportingScope, index = 3, empty
+  ExplicitSimpleImportingScope, index = 3
+    packages: 0
+    classifiers: 0
+    callables: 0
+    constructors: 0
 
   PackageMemberScope, index = 4
+    packages: 6
+      KtPackageSymbol:
+        fqName: META-INF
+        origin: SOURCE
+      KtPackageSymbol:
+        fqName: java
+        origin: SOURCE
+      KtPackageSymbol:
+        fqName: javax
+        origin: SOURCE
+      KtPackageSymbol:
+        fqName: kotlin
+        origin: SOURCE
+      KtPackageSymbol:
+        fqName: org
+        origin: SOURCE
+      KtPackageSymbol:
+        fqName: sun
+        origin: SOURCE
     classifiers: 1
       KtNamedClassOrObjectSymbol:
         annotationsList: []
@@ -206,12 +257,17 @@ scopes:
         typeParameters: []
         valueParameters: []
         visibility: Public
+    constructors: 0
 
   DefaultSimpleImportingScope, index = 5
 
   DefaultSimpleImportingScope, index = 6
 
-  ExplicitStarImportingScope, index = 7, empty
+  ExplicitStarImportingScope, index = 7
+    packages: 0
+    classifiers: 0
+    callables: 0
+    constructors: 0
 
   DefaultSimpleImportingScope, index = 8