KT-19390: Fix char + String in Java is converted to code with multiple type errors in Kotlin (#1235)

#KT-19390 Fixed

j2k/testData/fileOrElement/literalExpression/charToNumber.java

@@ -0,0 +1,8 @@
+public class CharToNumber {
+    private byte b = 'c';
+    private short s = 'c';
+    private int i = 'c';
+    private long l = 'c';
+    private float f = 'c';
+    private double d = 'c';
+}

j2k/testData/fileOrElement/literalExpression/charToNumber.kt

@@ -0,0 +1,8 @@
+class CharToNumber {
+    private val b: Byte = 'c'.toByte()
+    private val s: Short = 'c'.toShort()
+    private val i: Int = 'c'.toInt()
+    private val l: Long = 'c'.toLong()
+    private val f = 'c'.toFloat()
+    private val d = 'c'.toDouble()
+}

j2k/testData/fileOrElement/literalExpression/charToString.java

@@ -0,0 +1,7 @@
+public class CharToString {
+    private String value;
+
+    public String test() {
+        return '"' + value + '"';
+    }
+}

j2k/testData/fileOrElement/literalExpression/charToString.kt

@@ -0,0 +1,7 @@
+class CharToString {
+    private val value: String? = null
+
+    fun test(): String {
+        return '"'.toString() + value + '"'.toString()
+    }
+}