FIR/UAST: commonize parenthesized expression

plugins/uast-kotlin-fir/testData/declaration/if.kt

@@ -1,6 +1,6 @@
 fun test(b: Boolean): Any {
     return if (b)
-        42
+        (4 * 10 + 2)
     else
         "42"
 }

plugins/uast-kotlin-fir/testData/declaration/if.log.fe10.txt

@@ -7,5 +7,10 @@ UFile (package = )
                 UReturnExpression
                     UIfExpression
                         USimpleNameReferenceExpression (identifier = b)
-                        ULiteralExpression (value = 42)
+                        UParenthesizedExpression
+                            UBinaryExpression (operator = +)
+                                UBinaryExpression (operator = *)
+                                    ULiteralExpression (value = 4)
+                                    ULiteralExpression (value = 10)
+                                ULiteralExpression (value = 2)
                         ULiteralExpression (value = "42")

plugins/uast-kotlin-fir/testData/declaration/if.log.fir.txt

@@ -6,5 +6,6 @@ UFile (package = )
                 UReturnExpression
                     UIfExpression
                         [!] UnknownKotlinExpression (REFERENCE_EXPRESSION)
-                        ULiteralExpression (value = "not-yet-compile-time-constant")
+                        UParenthesizedExpression
+                            [!] UnknownKotlinExpression (BINARY_EXPRESSION)
                         ULiteralExpression (value = "42")

plugins/uast-kotlin-fir/testData/declaration/if.render.fe10.txt

@@ -1,5 +1,5 @@
 public final class IfKt {
     public static final fun test(@org.jetbrains.annotations.NotNull b: boolean) : java.lang.Object {
-        return if (b) 42 else "42"
+        return if (b) (4 * 10 + 2) else "42"
     }
 }

plugins/uast-kotlin-fir/testData/declaration/if.render.fir.txt

@@ -1,5 +1,5 @@
 public final class IfKt {
     public static final fun test(b: boolean) : java.lang.Object {
-        return if ([!] UnknownKotlinExpression (REFERENCE_EXPRESSION)) "not-yet-compile-time-constant" else "42"
+        return if ([!] UnknownKotlinExpression (REFERENCE_EXPRESSION)) ([!] UnknownKotlinExpression (BINARY_EXPRESSION)) else "42"
     }
 }