fix(ui): change error message from json format to string

Author: Adrinlol

ui/packages/shared/pages/CreateClone/stores/Main.ts

@@ -35,7 +35,6 @@ export class MainStore {
 
   readonly snapshots: SnapshotsStore
 
-
   constructor(api: MainStoreApi) {
     makeAutoObservable(this)
 
@@ -78,7 +77,8 @@ export class MainStore {
       })
     }
 
-    if (error) this.cloneError = await getTextFromUnknownApiError(error)
+    if (error)
+      this.cloneError = await error.json().then((err) => err?.message || err)
 
     return Boolean(response)
   }
@@ -101,6 +101,7 @@ export class MainStore {
         )
     }
 
-    if (error) this.cloneError = await getTextFromUnknownApiError(error)
+    if (error)
+      this.cloneError = await error.json().then((err) => err?.message || err)
   }
 }

ui/packages/shared/pages/Instance/SnapshotsModal/index.tsx

@@ -36,6 +36,7 @@ const useStyles = makeStyles(
     root: {
       fontSize: '14px',
       marginTop: 0,
+      display: 'block',
     },
     container: {
       maxHeight: '400px',