[BUGFIX] Prevent sending empty forms in FormEngine

In some cases the FormEngine forms are send to the server with empty values.
Please see the issue for more details and testing instructions.

Resolves: #80633
Releases: master
Change-Id: I22ff7365e3dcb85bf6c3bc177f6cde674306ce6c
Reviewed-on: https://review.typo3.org/52315


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/backend/Resources/Public/JavaScript/jsfunc.tbe_editor.js

@@ -188,7 +188,7 @@ var TBE_EDITOR = {
 		// TODO: This should be solved in a better way when this script is refactored.
 		window.setTimeout(function() {
 			document.getElementsByName(TBE_EDITOR.formname).item(0).submit();
-		}, 10);
+		}, 100);
 	},
 	split: function(theStr1, delim, index) {
 		var theStr = ""+theStr1;