feat(tpl): remove form submit for dropped directory

Dropped directories can only be uploaded by uploadProgressively(). The
fallback of form submit does not work.

Author: marjune163

src/tpl/asset/main.js

@@ -723,6 +723,9 @@
 				}
 
 				if (hasDir) {
+					if (!uploadProgressively) {
+						return;
+					}
 					if (!optDirFile && !optInnerDirFile) {
 						return;
 					}
@@ -735,14 +738,10 @@
 							optInnerDirFile.click();
 						}
 					}
-					if (uploadProgressively) {
-						btnSubmit.disabled = true;	// disable earlier
-						getFilesFromItems(e.dataTransfer.items, function (files) {
-							uploadProgressively(files);
-						});
-					} else {
-						form.submit();
-					}
+					btnSubmit.disabled = true;	// disable earlier
+					getFilesFromItems(e.dataTransfer.items, function (files) {
+						uploadProgressively(files);
+					});
 				} else {
 					if (optFile && optActive !== optFile) {
 						optFile.focus();

src/tpl/asset/main.js.go

@@ -636,6 +636,9 @@ break;
 }
 }
 if (hasDir) {
+if (!uploadProgressively) {
+return;
+}
 if (!optDirFile && !optInnerDirFile) {
 return;
 }
@@ -648,15 +651,11 @@ optInnerDirFile.focus();
 optInnerDirFile.click();
 }
 }
-if (uploadProgressively) {
 btnSubmit.disabled = true;	// disable earlier
 getFilesFromItems(e.dataTransfer.items, function (files) {
 uploadProgressively(files);
 });
 } else {
-form.submit();
-}
-} else {
 if (optFile && optActive !== optFile) {
 optFile.focus();
 optFile.click();