Allow only one invoke to be a target for smart step into (KT-18632)

It's difficult to distinguish such calls reliably in debug session

 #KT-18632 Fixed

idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoToLambdaParameter.kt

@@ -14,11 +14,12 @@ fun defaultParameter(f: (String) -> Int = { it.toInt() }) {
     f("12")
 }
 
-fun badSignatureIsSkipped(f: (String) -> Int = { it.toInt() }, paramFun: (Int) -> Int) {
+// Minor bug is here. During selection paramFun() is shown as a target, but f is called instead.
+fun firstInvokeIsCalled(f: (String) -> Int = { it.toInt() }, paramFun: (Int) -> Int) {
     // SMART_STEP_INTO_BY_INDEX: 0
     // RESUME: 1
     //Breakpoint!
-    paramFun(f("12"))
+    paramFun(f("12")) + ii()
 }
 
 fun nonDefaultWithAnonymousFun(paramFun: (Int) -> Int) {
@@ -35,16 +36,28 @@ fun withExtensionParameters(paramFun: Int.() -> Int) {
     12.paramFun()
 }
 
+fun <T> genericSignatureAndExtensionArgument(v: T, paramFun: (T) -> T) {
+    // SMART_STEP_INTO_BY_INDEX: 0
+    // RESUME: 1
+    //Breakpoint!
+    paramFun(v)
+}
+
 fun main(args: Array<String>) {
-    val localFun : (Int) -> Int = { it + 1 }
+    val localFun: (Int) -> Int = { it + 1 }
 
     nonDefaultParameter(localFun)
 
     defaultParameter()
 
-    badSignatureIsSkipped { it + 1 }
+    firstInvokeIsCalled { it + 1 }
 
     nonDefaultWithAnonymousFun(fun (i: Int): Int { return i })
 
     withExtensionParameters { this }
-}
+
+    val ext: Int.() -> Int = { this }
+    genericSignatureAndExtensionArgument(15, ext)
+}
+
+fun ii() = 12

idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoToLambdaParameter.out

@@ -1,20 +1,23 @@
 LineBreakpoint created at smartStepIntoToLambdaParameter.kt:7
 LineBreakpoint created at smartStepIntoToLambdaParameter.kt:14
-LineBreakpoint created at smartStepIntoToLambdaParameter.kt:21
-LineBreakpoint created at smartStepIntoToLambdaParameter.kt:28
-LineBreakpoint created at smartStepIntoToLambdaParameter.kt:35
+LineBreakpoint created at smartStepIntoToLambdaParameter.kt:22
+LineBreakpoint created at smartStepIntoToLambdaParameter.kt:29
+LineBreakpoint created at smartStepIntoToLambdaParameter.kt:36
+LineBreakpoint created at smartStepIntoToLambdaParameter.kt:43
 Run Java
 Connected to the target VM
 smartStepIntoToLambdaParameter.kt:7
-smartStepIntoToLambdaParameter.kt:39
+smartStepIntoToLambdaParameter.kt:47
 smartStepIntoToLambdaParameter.kt:14
 smartStepIntoToLambdaParameter.kt:10
-smartStepIntoToLambdaParameter.kt:21
-smartStepIntoToLambdaParameter.kt:45
-smartStepIntoToLambdaParameter.kt:28
-smartStepIntoToLambdaParameter.kt:47
-smartStepIntoToLambdaParameter.kt:35
-smartStepIntoToLambdaParameter.kt:49
+smartStepIntoToLambdaParameter.kt:22
+smartStepIntoToLambdaParameter.kt:18
+smartStepIntoToLambdaParameter.kt:29
+smartStepIntoToLambdaParameter.kt:55
+smartStepIntoToLambdaParameter.kt:36
+smartStepIntoToLambdaParameter.kt:57
+smartStepIntoToLambdaParameter.kt:43
+smartStepIntoToLambdaParameter.kt:59
 Disconnected from the target VM
 
 Process finished with exit code 0