refactor(Migration): Clean up MiniApp icon state removal in migration steps

- Remove redundant calls to removeMiniAppIconsFromState in migration steps
- Consolidate MiniApp icon state removal in migration version 78
- Simplify migration configuration for state updates

src/renderer/src/store/migrate.ts

@@ -835,8 +835,6 @@ const migrateConfig = {
       })
     }
 
-    removeMiniAppIconsFromState(state)
-
     state.llm.providers.forEach((provider) => {
       if (provider.id === 'qwenlm') {
         provider.type = 'qwenlm'
@@ -876,7 +874,6 @@ const migrateConfig = {
         state.minapps.enabled.push(flowith)
       }
     }
-    removeMiniAppIconsFromState(state)
     return state
   },
   '60': (state: RootState) => {
@@ -1244,6 +1241,7 @@ const migrateConfig = {
   '78': (state: RootState) => {
     state.llm.providers = moveProvider(state.llm.providers, 'ppio', 9)
     state.llm.providers = moveProvider(state.llm.providers, 'infini', 10)
+    removeMiniAppIconsFromState(state)
     return state
   }
 }