feat: add option to show Hypa modal button in chat menu (#823)

# PR Checklist
- [ ] Have you checked if it works normally in all models? *Ignore this
if it doesn't use models.*
- [ ] Have you checked if it works normally in all web, local, and node
hosted versions? If it doesn't, have you blocked it in those versions?
- [ ] Have you added type definitions?

# Preview

![preview1](https://github.com/user-attachments/assets/daaafcb2-a533-4bf1-b38f-e9b9b54f6769)


![preview2](https://github.com/user-attachments/assets/a632a66d-fc74-4d92-909a-88d450cd41fb)

# Description
This PR introduces following:
- feat: add accessibility setting to control visibility of Hypa V2/V3
modal button in chat menu
- feat: add summarization condition tip to HypaV3 modal

src/ts/storage/database.svelte.ts

@@ -1023,6 +1023,7 @@ export interface Database{
     }[]
     igpPrompt:string
     useTokenizerCaching:boolean
+    showMenuHypaMemoryModal:boolean
 }
 
 interface SeparateParameters{