IDEA-164610 Quick documentation should escape angle brackets at the value of a String field referred via @value (javadoc tag)

also add quotes to string value, and convert value into a link to corresponding field's javadoc, like javadoc tool does

java/java-tests/testData/codeInsight/javadocIG/escapingStringValue.java

@@ -0,0 +1,6 @@
+class A {
+  public static String B = "a<b";
+
+  /** The value of B is {@value #B}. */
+  public static void JAVADOC_ME() { }
+}