Stop in the method with suitable name if no descriptor found

Absence of descriptor is possible when sources are outdated or absent.
Early stop is better than iterating in step into till the program end.

idea/src/org/jetbrains/kotlin/idea/debugger/stepping/KotlinBasicStepMethodFilter.kt

@@ -62,7 +62,7 @@ class KotlinBasicStepMethodFilter(
             } else {
                 declaration?.resolveToDescriptor()
             }
-        } ?: return false
+        } ?: return true
 
         fun compareDescriptors(d1: DeclarationDescriptor, d2: DeclarationDescriptor): Boolean {
             return d1 == d2 || d1.original == d2.original