FIR: Do not create synthetic properties for non-Java accessors

^KT-35495 Fixed

compiler/fir/analysis-tests/testData/resolve/properties/javaAccessorConversion.kt

@@ -74,9 +74,9 @@ class Foo {
 }
 
 fun test_4(foo: Foo) {
-    foo.x // should be error
+    foo.<!UNRESOLVED_REFERENCE!>x<!> // should be error
 }
 
 fun test_5(x: D) {
     x.isGood
-}
+}

compiler/fir/analysis-tests/testData/resolve/properties/javaAccessorConversion.txt

@@ -22,7 +22,7 @@ FILE: main.kt
 
     }
     public final fun test_4(foo: R|Foo|): R|kotlin/Unit| {
-        R|<local>/foo|.R|/Foo.x|
+        R|<local>/foo|.<Unresolved name: x>#
     }
     public final fun test_5(x: R|D|): R|kotlin/Unit| {
         R|<local>/x|.R|/D.isGood|