Fix issues with Dashboard view on Abyss skin

scripts/skinConfig.js

@@ -1272,6 +1272,7 @@
                         majorServerVersions: [10, 11, 12],
                         urls: [
                             'https://cdn.jsdelivr.net/gh/AumGupta/abyss-jellyfin@main/abyss.css',
+                            `${getKefinTweaksRoot()}skins/abyss-kefin.css`
                         ]
                     },
                 ],

skins/abyss-kefin.css

@@ -0,0 +1,6 @@
+.dashboardDocument .mainAnimatedPage:not(.metadataEditorPage) {
+	left: 300px !important;
+}
+.MuiDrawer-root > .MuiDrawer-paper {
+	width: auto !important;
+}