[LL FIR] KT-58580 Add test data for resolve extensions in dependencies

- `dependency2` is needed to ensure the creation of combined Kotlin
  symbol providers. If there is only a single dependency Kotlin symbol
  provider, the combined symbol provider won't be created.

analysis/analysis-api/testData/resolveExtensions/multiModule/referenceResolve/extendedModuleDependency/classMember.kt

@@ -0,0 +1,11 @@
+// MODULE: extendedModule
+
+// MODULE: dependency2
+
+// MODULE: main(extendedModule, dependency2)()()
+import generated.*
+
+fun main() {
+    val a = GeneratedClass2()
+    a.gener<caret>atedClassMember2()
+}

analysis/analysis-api/testData/resolveExtensions/multiModule/referenceResolve/extendedModuleDependency/classMember.txt

@@ -0,0 +1,2 @@
+Resolved to:
+0: (in generated.GeneratedClass2) fun generatedClassMember2(): generated.GeneratedClass1

analysis/analysis-api/testData/resolveExtensions/multiModule/referenceResolve/extendedModuleDependency/extensionFunction.kt

@@ -0,0 +1,10 @@
+// MODULE: extendedModule
+
+// MODULE: dependency2
+
+// MODULE: main(extendedModule, dependency2)()()
+import generated.*
+
+fun main() {
+    "string".generatedTopLeve<caret>lExtensionFunction1(true)
+}

analysis/analysis-api/testData/resolveExtensions/multiModule/referenceResolve/extendedModuleDependency/extensionFunction.txt

@@ -0,0 +1,2 @@
+Resolved to:
+0: (in generated) fun kotlin.String.generatedTopLevelExtensionFunction1(boolean: kotlin.Boolean): kotlin.Int

analysis/analysis-api/testData/resolveExtensions/multiModule/referenceResolve/extendedModuleDependency/topLevelFunction.kt

@@ -0,0 +1,10 @@
+// MODULE: extendedModule
+
+// MODULE: dependency2
+
+// MODULE: main(extendedModule, dependency2)()()
+import generated.*
+
+fun main() {
+    generatedTopLevelFunc<caret>tion1()
+}

analysis/analysis-api/testData/resolveExtensions/multiModule/referenceResolve/extendedModuleDependency/topLevelFunction.txt

@@ -0,0 +1,2 @@
+Resolved to:
+0: (in generated) fun generatedTopLevelFunction1(): generated.GeneratedClass2