Merge pull request +7584 from c9/fix/save-zero-length-documents

Fix fallback saving writing an empty file if user saves it before it's completely loaded

package.json

@@ -106,7 +106,7 @@
         "c9.ide.run": "#0bd1d664fb",
         "c9.ide.run.build": "#ad45874c88",
         "c9.ide.run.debug.xdebug": "#3b1520f83d",
-        "c9.ide.save": "#3cb206c168",
+        "c9.ide.save": "#a03709ef3f",
         "c9.ide.terminal.monitor": "#b0b4d03280",
         "c9.ide.theme.flat": "#b1d65fa9bb",
         "c9.ide.threewaymerge": "#229382aa0b",