fix: cp-13.10.4 removed sidepanel from chrome manifest files (#38242)

This PR is to remove sidepanel api support 

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## **Related issues**

Fixes:

## **Manual testing steps**

1. Click on MM icon. check no open sidepanel button should show

## **Screenshots/Recordings**

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### **Before**

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### **After**


https://github.com/user-attachments/assets/a94058ec-44eb-4723-ac89-f25065b2a93c



## **Pre-merge author checklist**

- [ ] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
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Standards](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [ ] I've completed the PR template to the best of my ability
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Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] 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.

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Removes Chrome Side Panel support by deleting manifest config and
permission, and sets IS_SIDEPANEL=false for main/beta/flask builds.
> 
> - **Manifests**:
>   - Remove `side_panel` config from `app/manifest/v3/chrome.json`.
>   - Drop `sidePanel` permission from `app/manifest/v3/_base.json`.
> - **Builds**:
> - Set `IS_SIDEPANEL` to `false` for `main`, `beta`, and `flask` in
`builds.yml`.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
9d8e488. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

---------

Co-authored-by: Amélie <[email protected]>

Author: NidhiKJha

app/manifest/v3/_base.json

@@ -88,7 +88,6 @@
     "webRequest",
     "offscreen",
     "identity",
-    "sidePanel",
     "contextMenus"
   ],
   "sandbox": {

app/manifest/v3/chrome.json

@@ -10,8 +10,5 @@
     "matches": ["http://*/*", "https://*/*"],
     "ids": ["*"]
   },
-  "minimum_chrome_version": "115",
-  "side_panel": {
-    "default_path": "sidepanel.html"
-  }
+  "minimum_chrome_version": "115"
 }

builds.yml

@@ -34,7 +34,7 @@ buildTypes:
       - REJECT_INVALID_SNAPS_PLATFORM_VERSION: true
       - IFRAME_EXECUTION_ENVIRONMENT_URL: https://execution.metamask.io/iframe/10.2.3/index.html
       - ACCOUNT_SNAPS_DIRECTORY_URL: https://snaps.metamask.io/account-management
-      - IS_SIDEPANEL: true
+      - IS_SIDEPANEL: false
       # for seedless onboarding (social login)
       - GOOGLE_PROD_CLIENT_ID
       - APPLE_PROD_CLIENT_ID
@@ -68,7 +68,7 @@ buildTypes:
       - REJECT_INVALID_SNAPS_PLATFORM_VERSION: true
       - IFRAME_EXECUTION_ENVIRONMENT_URL: https://execution.metamask.io/iframe/10.2.3/index.html
       - ACCOUNT_SNAPS_DIRECTORY_URL: https://snaps.metamask.io/account-management
-      - IS_SIDEPANEL: true
+      - IS_SIDEPANEL: false
       # for seedless onboarding (social login)
       - GOOGLE_BETA_CLIENT_ID
       - APPLE_BETA_CLIENT_ID
@@ -137,7 +137,7 @@ buildTypes:
       - SEGMENT_WRITE_KEY_REF: SEGMENT_FLASK_WRITE_KEY
       - ACCOUNT_SNAPS_DIRECTORY_URL: https://metamask.github.io/snaps-directory-staging/main/account-management
       - EIP_4337_ENTRYPOINT: '0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789'
-      - IS_SIDEPANEL: true
+      - IS_SIDEPANEL: false
       # for seedless onboarding (social login)
       - GOOGLE_FLASK_CLIENT_ID
       - APPLE_FLASK_CLIENT_ID