Remove top margin and ensure minimum container height for history

Author: kgryte

src/style/HistorySideBarStyle.ts

@@ -3,7 +3,12 @@ import { style } from 'typestyle';
 export const historySideBarStyle = style({
   display: 'flex',
   flexDirection: 'column',
+
+  minHeight: '400px',
+
+  marginBlockStart: 0,
+  marginBlockEnd: 0,
   paddingLeft: 0,
-  overflowY: 'scroll',
-  marginBlockEnd: 0
+
+  overflowY: 'scroll'
 });