[BUGFIX] Form padding in Extenson Manager upload

Fixed bottom padding upload form for Extension Manager.

Also back-ports a CSS change into SCSS:
https://review.typo3.org/#/c/34795/

Resolves: #63235
Releases: master
Change-Id: If502837bbe04b1924f91eab6c98d3755a17a5f2c
Reviewed-on: http://review.typo3.org/34796


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Frank Nägler <typo3@naegler.net>
Tested-by: Frank Nägler <typo3@naegler.net>

typo3/sysext/extensionmanager/Resources/Private/Scss/page/_base.scss

@@ -147,6 +147,15 @@
 	color: #0c08ff;
 }
 
+.typo3-extension-manager form#extensionUploadForm {
+	margin-bottom: 0;
+
+	div.control-group:last-child {
+		margin-bottom: 0;
+	}
+}
+
+
 .typo3-extension-list .inactive {
 	color: rgb(170, 170, 170);
 }

typo3/sysext/extensionmanager/Resources/Public/Css/main.css

@@ -205,6 +205,11 @@
 .typo3-extension-manager .outdated {
   color: #0c08ff; }
 
+.typo3-extension-manager form#extensionUploadForm {
+  margin-bottom: 0; }
+  .typo3-extension-manager form#extensionUploadForm div.control-group:last-child {
+    margin-bottom: 0; }
+
 .typo3-extension-list .inactive {
   color: #aaaaaa; }