"Change JVM name" (@JvmName) quickfix: improve name suggester for generic functions

#KT-38559 Fixed

idea/testData/quickfix/addJvmNameAnnotation/extension.kt

@@ -0,0 +1,7 @@
+// "Add '@JvmName' annotation" "true"
+// WITH_RUNTIME
+interface Foo<T>
+
+fun Foo<Int>.foo() = this
+
+fun <caret>Foo<String>.foo() = this

idea/testData/quickfix/addJvmNameAnnotation/extension.kt.after

@@ -0,0 +1,8 @@
+// "Add '@JvmName' annotation" "true"
+// WITH_RUNTIME
+interface Foo<T>
+
+fun Foo<Int>.foo() = this
+
+@JvmName("fooString")
+fun Foo<String>.foo() = this

idea/testData/quickfix/addJvmNameAnnotation/extension2.kt

@@ -0,0 +1,7 @@
+// "Add '@JvmName' annotation" "true"
+// WITH_RUNTIME
+interface Bar<T, U>
+
+fun <caret>Bar<Int, Double>.bar() = this
+
+fun Bar<Int, Bar<Long, Bar<Double, String>>>.bar() = this

idea/testData/quickfix/addJvmNameAnnotation/extension2.kt.after

@@ -0,0 +1,8 @@
+// "Add '@JvmName' annotation" "true"
+// WITH_RUNTIME
+interface Bar<T, U>
+
+@JvmName("barIntDouble")
+fun Bar<Int, Double>.bar() = this
+
+fun Bar<Int, Bar<Long, Bar<Double, String>>>.bar() = this

idea/testData/quickfix/addJvmNameAnnotation/extension3.kt

@@ -0,0 +1,7 @@
+// "Add '@JvmName' annotation" "true"
+// WITH_RUNTIME
+interface Bar<T, U>
+
+fun Bar<Int, Double>.bar() = this
+
+fun <caret>Bar<Int, Bar<Long, Bar<Double, String>>>.bar() = this

idea/testData/quickfix/addJvmNameAnnotation/extension3.kt.after

@@ -0,0 +1,8 @@
+// "Add '@JvmName' annotation" "true"
+// WITH_RUNTIME
+interface Bar<T, U>
+
+fun Bar<Int, Double>.bar() = this
+
+@JvmName("barIntLongDoubleString")
+fun Bar<Int, Bar<Long, Bar<Double, String>>>.bar() = this