fix: don't log watch mode not supported to stdout (fixes Expo) (#1027)

Author: thymikee

packages/cli/src/commands/server/watchMode.ts

@@ -9,16 +9,16 @@ function printWatchModeInstructions() {
 }
 
 function enableWatchMode(messageSocket: any) {
-  readline.emitKeypressEvents(process.stdin);
-
   // We need to set this to true to catch key presses individually.
   // As a result we have to implement our own method for exiting
   // and other commands (e.g. ctrl+c & ctrl+z)
   if (!process.stdin.setRawMode) {
-    logger.log('Watch mode is not supported in this environment');
+    logger.debug('Watch mode is not supported in this environment');
     return;
   }
 
+  readline.emitKeypressEvents(process.stdin);
+
   process.stdin.setRawMode(true);
 
   // We have no way of knowing when the dependency graph is done loading