apply coderabbit suggestions

Author: nahoj

frontend/types/gotypes.d.ts

@@ -736,7 +736,7 @@ declare global {
         "window:tilegapsize"?: number;
         "window:showmenubar"?: boolean;
         "window:nativetitlebar"?: boolean;
-        "window:tabbarposition"?: string;
+        "window:tabbarposition"?: "top" | "bottom";
         "window:disablehardwareacceleration"?: boolean;
         "window:maxtabcachesize"?: number;
         "window:magnifiedblockopacity"?: number;

schema/settings.json

@@ -183,7 +183,9 @@
           "type": "boolean"
         },
         "window:tabbarposition": {
-          "type": "string"
+          "type": { 
+            "enum": ["top", "bottom"]
+          }
         },
         "window:disablehardwareacceleration": {
           "type": "boolean"