MT#63310 Improve handling of long words in main menu

When the German translation is on, long words
are not readable without moving the side bar.
This commit increases the size of the side
menu and reduces the indent of sub-menus

Change-Id: Idb09587fe58907347f2461d6adc9a2a2706125b7
(cherry picked from commit 0340bd7e3c)

src/components/CscMainMenu.vue

@@ -8,7 +8,7 @@
                 :key="index + '_childs'"
                 :label="item.label"
                 :icon="item.icon"
-                :content-inset-level="1"
+                :content-inset-level="0.5"
                 group="cscMainMenu"
                 class="text-weight-bold"
             >

src/layouts/CscLayoutMain.vue

@@ -110,7 +110,7 @@
             class="bg-main-menu"
             :behavior="drawerBehavior"
             show-if-above
-            :width="280"
+            :width="316"
             @mouseleave="minimizeMenu"
             @mouseenter="maximizeMenu"
             @on-layout="layoutResized"