Tweak a log message (#11705)

Author: davidwengier

src/Razor/src/rzls/NamedPipeBasedRazorProjectInfoDriver.cs

@@ -68,7 +68,11 @@ private async Task ReadFromStreamAsync(CancellationToken cancellationToken)
                 continue;
             }
 
-            Logger.LogInformation($"Failed {failedActionReads} times but things may be back on track");
+            if (failedActionReads > 0)
+            {
+                Logger.LogInformation($"Failed {failedActionReads} times but things may be back on track");
+            }
+
             failedActionReads = 0;
 
             try