feat: added solana to flask build (#29147)

## **Description**

Added Solana feature on Flask build

[![Open in GitHub
Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/MetaMask/metamask-extension/pull/29195?quickstart=1)

## **Related issues**

N/A

## **Manual testing steps**

- Open Experimental settings and enable Solana
- You should see Solana option when creating account

## **Screenshots/Recordings**

### **Before**

### **After**

## **Pre-merge author checklist**

- [x] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
- [x] I’ve included tests if applicable
- [x] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [x] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [x] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [x] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

---------

Co-authored-by: Charly Chevalier <[email protected]>

builds.yml

@@ -64,6 +64,7 @@ buildTypes:
     features:
       - build-flask
       - keyring-snaps
+      - solana
     env:
       - INFURA_FLASK_PROJECT_ID
       - SEGMENT_FLASK_WRITE_KEY

privacy-snapshot.json

@@ -46,17 +46,18 @@
   "on-ramp-content.uat-api.cx.metamask.io",
   "phishing-detection.api.cx.metamask.io",
   "portfolio.metamask.io",
+  "price-api.metamask-institutional.io",
   "price.api.cx.metamask.io",
   "proxy.api.cx.metamask.io",
   "proxy.dev-api.cx.metamask.io",
-  "signature-insights.api.cx.metamask.io",
   "raw.githubusercontent.com",
   "registry.npmjs.org",
   "responsive-rpc.test",
   "security-alerts.api.cx.metamask.io",
   "security-alerts.dev-api.cx.metamask.io",
   "sentry.io",
   "sepolia.infura.io",
+  "signature-insights.api.cx.metamask.io",
   "snaps.metamask.io",
   "sourcify.dev",
   "start.metamask.io",
@@ -72,6 +73,6 @@
   "unresponsive-rpc.test",
   "unresponsive-rpc.url",
   "user-storage.api.cx.metamask.io",
-  "www.4byte.directory",
-  "verify.walletconnect.com"
+  "verify.walletconnect.com",
+  "www.4byte.directory"
 ]