Suggestions from expression itself to have higher priority + fixed incorect upper case naming

idea/testData/refactoring/introduceParameter/defaultValueNoTempVar.kt.after

@@ -8,6 +8,6 @@ fun foo(t: T): Int {
 fun bar(x: Int = foo(T(T(2).t + 1)))
 
 fun test() {
-    val i = T(2).t
-    foo(T(i + 1))
+    val t = T(2).t
+    foo(T(t + 1))
 }

idea/testData/refactoring/introduceParameter/substituteIncrement.kt.after

@@ -7,6 +7,6 @@ fun foo(i: Int): Int {
 fun test() {
     var x = 1
     val i = ++x
-    val i1 = x++
-    foo(i * i1)
+    val x1 = x++
+    foo(i * x1)
 }