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

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"