Get ether from a faucet - fix message

[seaona]

Explanation

On the Buy prompt for test networks, we see an unfinished message saying Get Ether from a faucet for the $Network. This PR adds the end of the sentence and a full stop.

Screenshots/Screencaps

Before

After

Manual Testing Steps

Pre-Merge Checklist

• PR template is filled out
• IF this PR fixes a bug, a test that would have caught the bug has been added
• PR is linked to the appropriate GitHub issue
• PR has been added to the appropriate release Milestone

+ If there are functional changes:

• Manual testing complete & passed
• "Extension QA Board" label has been applied

[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.

[metamaskbot]

Builds ready [e8d9976]

• builds: chrome, firefox, opera
• builds (beta): chrome, firefox, opera
• builds (flask): chrome, firefox, opera
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6
  • common: 0, 1, 2, 3, 4, 5, 6, 7
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1555 ± 69 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	96	163	130	18	9
		domContentLoaded	1286	1846	1535	141	67
		load	1313	1846	1555	143	69
		domInteractive	1286	1846	1535	141	67

highlights:

storybook

• ui/components/app/metamask-translation/metamask-translation.stories.js
• ui/pages/confirm-add-suggested-token/confirm-add-suggested-token.stories.js
• ui/pages/confirm-approve/confirm-approve.stories.js
• ui/pages/confirm-import-token/confirm-import-token.stories.js
• ui/pages/confirm-token-transaction-base/confirm-token-transaction-base.stories.js

[metamaskbot]

Builds ready [4592028]

• builds: chrome, firefox, opera
• builds (beta): chrome, firefox, opera
• builds (flask): chrome, firefox, opera
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6
  • common: 0, 1, 2, 3, 4, 5, 6, 7
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1304 ± 51 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	85	221	112	28	13
		domContentLoaded	1159	1509	1290	107	51
		load	1159	1509	1304	105	51
		domInteractive	1159	1508	1290	107	51

highlights:

storybook

• ui/components/app/metamask-translation/metamask-translation.stories.js
• ui/pages/confirm-add-suggested-token/confirm-add-suggested-token.stories.js
• ui/pages/confirm-approve/confirm-approve.stories.js
• ui/pages/confirm-import-token/confirm-import-token.stories.js
• ui/pages/confirm-token-transaction-base/confirm-token-transaction-base.stories.js