adjust line heights

fixes #8034

src/vs/workbench/parts/extensions/electron-browser/media/extensionEditor.css

@@ -46,6 +46,7 @@
 .extension-editor > .header > .details > .title > .name {
 	flex: 1;
 	font-size: 26px;
+	line-height: 30px;
 	font-weight: 600;
 	line-height: normal;
 	white-space: nowrap;
@@ -99,6 +100,7 @@
 .extension-editor > .header > .details > .actions > .monaco-action-bar > .actions-container > .action-item > .action-label {
 	font-weight: 600;
 	padding: 1px 6px;
+	line-height: 15px;
 }
 
 .extension-editor > .body {

src/vs/workbench/parts/extensions/electron-browser/media/extensionsViewlet.css

@@ -122,6 +122,7 @@
 .extensions-viewlet > .extensions .extension > .details > .footer > .monaco-action-bar .action-label {
 	margin-right: 0;
 	margin-left: 0.3em;
+	line-height: 15px;
 }
 
 .extensions-viewlet > .extensions .extension .ellipsis {