[java-analysis] javaSimplePropertyGist: remove the getter/setter name restriction

Now, index can map getter/setter -> field for any name, not only with get/set/is prefix. This is already done for bytecode index, now for source index as well
Follow-up for IDEA-364131

GitOrigin-RevId: c8c0e09d94a12bfedf575f5aa3f2d79dabe34834

java/java-tests/testData/inspection/dataFlow/fixture/GetterVsDirectAccessRecordOverriddenGetter.java

@@ -0,0 +1,15 @@
+
+record Test2(int x, int y) {
+  static void test(Test2 test2) {
+    if (test2.x() == test2.y()) {
+      if (<warning descr="Condition 'test2.x == test2.y' is always 'true'">test2.x == test2.y</warning>) {
+
+      }
+    }
+
+  }
+
+  public int x() {
+    return x;
+  }
+}