Replace explicit parameter with 'it': do not suggest when lambda is directly under "when" or "if"

Relates to #KT-35320

idea/testData/intentions/replaceExplicitFunctionLiteralParamWithIt/applicable_inWhenEntry.kt

@@ -0,0 +1,9 @@
+fun test(v: Boolean): (String) -> Int {
+    return when (v) {
+        true -> { { <caret>x -> taskOne(x) } }
+        false -> { x -> taskTwo(x) }
+    }
+}
+
+fun taskOne(s: String) = s.length
+fun taskTwo(s: String) = 42