note about blocks

note that 403 nay be returned both when user is blocked and when app was no authorized
different actions should be taken in both cases - if user gave no necessary oauth permission, then app should attempt log-in
if user was blocked, then appropriate message should be shown
especially in case of zero-hour blocks just relogging in may apparently swallow the attempted communication

app/src/main/java/de/westnordost/streetcomplete/data/ApiClientExceptions.kt

@@ -34,6 +34,7 @@ inline fun <T> wrapApiClientExceptions(block: () -> T): T =
                 throw ConnectionException(e.message, e)
             }
             // authorization is something we can handle (by requiring (re-)login of the user)
+            // note that user may be also blocked, this may require special handling
             HttpStatusCode.Forbidden, HttpStatusCode.Unauthorized -> {
                 throw AuthorizationException(e.message, e)
             }