add space between property type parameter list and property name

idea/testData/formatter/PropertyTypeParameterList.after.kt

@@ -0,0 +1,4 @@
+val <T> foo: T?
+    get() {
+        return null
+    }

idea/testData/formatter/PropertyTypeParameterList.kt

@@ -0,0 +1,2 @@
+val <T>foo: T?
+    get() { return null}