disabled mouse selection when changing the sidebar width

ui/src/components/base/Dragline.svelte

@@ -96,6 +96,7 @@
         background: none;
         cursor: ew-resize;
         box-sizing: content-box;
+        user-select: none;
         transition: box-shadow var(--activeAnimationSpeed);
         box-shadow: inset 1px 0 0 0 var(--baseAlt2Color);
         &:hover,

ui/src/scss/_vars.scss

@@ -58,7 +58,7 @@
     --lgWrapperWidth: 1200px;
 
     --appSidebarWidth: 75px;
-    --pageSidebarWidth: 230px;
+    --pageSidebarWidth: 240px;
 
     --baseAnimationSpeed: 150ms;
     --activeAnimationSpeed: 70ms;