Installer: Rightsize app icons

Change-Id: Ie7045e66382554d26c443cc59f82e33910d7551e
diff --git a/core/installer/values-tmpl/certificate-issuer-custom.cue b/core/installer/values-tmpl/certificate-issuer-custom.cue
index d2b1e28..0bada18 100644
--- a/core/installer/values-tmpl/certificate-issuer-custom.cue
+++ b/core/installer/values-tmpl/certificate-issuer-custom.cue
@@ -13,7 +13,28 @@
 namespace: "ingress-custom"
 readme: "Configure custom public domain"
 description: readme
-icon: "<svg xmlns='http://www.w3.org/2000/svg' width='50' height='50' viewBox='0 0 48 48'><g fill='none' stroke='currentColor' stroke-linecap='round' stroke-linejoin='round' stroke-width='4'><path d='M4 34h8v8H4zM8 6h32v12H8zm16 28V18'/><path d='M8 34v-8h32v8m-4 0h8v8h-8zm-16 0h8v8h-8zm-6-22h2'/></g></svg>"
+icon: """
+<svg width='50px' height='50px' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 39.68503937 35.84897203'>
+  <defs>
+    <style>
+      .cls-1 {
+        fill: currentColor;
+      }
+
+      .cls-2 {
+        fill: none;
+        stroke: #3a3a3a;
+        stroke-miterlimit: 10;
+        stroke-width: .98133445px;
+      }
+    </style>
+  </defs>
+  <rect class='cls-2' x='-9.97439025' y='-11.89242392' width='59.63381987' height='59.63381987'/>
+  <g>
+    <path class='cls-1' d='m8.33392163,35.84897203H.66139092c-.36534918,0-.66139092-.29623977-.66139092-.66139092v-7.67213467c0-.36515115.29604174-.66139092.66139092-.66139092h7.67253071c.36534918,0,.66139092.29623977.66139092.66139092v7.67213467c0,.36515115-.29604174.66139092-.66139092.66139092Zm-7.01113979-1.32278184h6.34974887v-6.34935283H1.32278184v6.34935283Zm18.51973785-6.34935283c-.36534918,0-.66139092-.29623977-.66139092-.66139092v-14.68367051H4.49765628c-.36534918,0-.66139092-.29623977-.66139092-.66139092V.66139092c0-.36515115.29604174-.66139092.66139092-.66139092h30.68972682c.36534918,0,.66139092.29623977.66139092.66139092v11.50899409c0,.36515115-.29604174.66139092-.66139092.66139092h-14.68347249v14.68367051c0,.36515115-.29604174.66139092-.66139092.66139092Zm0-16.66784327h14.68347249V1.32278184H5.1590472v10.18621225h14.68347249Z'/>
+    <path class='cls-1' d='m39.02364845,35.84897203h-7.67253071c-.36534918,0-.66139092-.29623977-.66139092-.66139092v-7.67213467c0-.36515115.29604174-.66139092.66139092-.66139092h3.17487444v-6.35014492H5.1590472v7.01153584c0,.36515115-.29604174.66139092-.66139092.66139092s-.66139092-.29623977-.66139092-.66139092v-7.67292676c0-.36515115.29604174-.66139092.66139092-.66139092h30.68972682c.36534918,0,.66139092.29623977.66139092.66139092v7.01153584h3.17487444c.36534918,0,.66139092.29623977.66139092.66139092v7.67213467c0,.36515115-.29604174.66139092-.66139092.66139092Zm-7.01113979-1.32278184h6.34974887v-6.34935283h-6.34974887v6.34935283Zm-8.33372361,1.32278184h-7.67253071c-.36534918,0-.66139092-.29623977-.66139092-.66139092v-7.67213467c0-.36515115.29604174-.66139092.66139092-.66139092h7.67253071c.36534918,0,.66139092.29623977.66139092.66139092v7.67213467c0,.36515115-.29604174.66139092-.66139092.66139092Zm-7.01113979-1.32278184h6.34974887v-6.34935283h-6.34974887v6.34935283ZM12.16998897,7.07727889h-1.91803367c-.36534918,0-.66139092-.29623977-.66139092-.66139092s.29604174-.66139092.66139092-.66139092h1.91803367c.36534918,0,.66139092.29623977.66139092.66139092s-.29604174.66139092-.66139092.66139092Z'/>
+  </g>
+</svg>"""
 
 charts: {
 	"certificate-issuer": {