feat: add asset selector

[hmalik88]

Description

Write a short description of the changes included in this pull request, also include relevant motivation and context. Have in mind the following questions:

1. What is the reason for the change? Porting over AssetSelector from extension.

Related issues

Fixes: MetaMask/snaps#3285

Manual testing steps

1. Pull down the branch and build
2. Edit the send-flow snap (and test-snaps) with the following snippet:

            <Box direction="vertical">
              <Field label="Asset">
                <AssetSelector
                  name="asset1"
                  addresses={[
                    'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp:4puok8BCAGTbEEX4qgtxYkjk4yNi7xmnf4R8kq68xyPn',
                  ]}
                />
              </Field>
              <Box direction="horizontal">
                <Field label="Asset">
                  <AssetSelector
                    name="asset"
                    addresses={[
                      'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp:4puok8BCAGTbEEX4qgtxYkjk4yNi7xmnf4R8kq68xyPn',
                    ]}
                  />
                </Field>
                <Field label="Send amount">
                  <Input
                    name="amount"
                    type="number"
                    placeholder="Enter amount to send"
                  />
                </Field>
              </Box>
            </Box>

3. Run test-snaps locally
4. Navigate to the locally ran test-snaps in the simulator
5. Observe the results.

Screenshots/Recordings

After

Recording:

Screen.Recording.2025-05-05.at.5.45.11.PM.mov

Disabled State

Error State

Pre-merge author checklist

• I’ve followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). 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.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[FrederikBolding]

LGTM - please wait for @GuillaumeRx to sign off too

[FrederikBolding]

See latest comment

[sonarqubecloud]

Quality Gate passed

Issues
7 New issues
0 Accepted issues

Measures
0 Security Hotspots
89.9% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[GuillaumeRx]

Code LGTM