Fix: Improve email formatting and header display - 1930

[hamed-valiollahi]

Changes in this PR:

• Ensures full-width layout instead of a fixed width for better responsiveness
• Fixes email header display where the logo and title were not showing correctly in different email clients
• Adds action to transaction type to match the in-app display

Closes #1930

[github-actions]

Frontend Test Results

  1 files  ±0  130 suites  ±0   48s ⏱️ -2s
448 tests ±0  428 ✅ ±0  20 💤 ±0  0 ❌ ±0 
450 runs  ±0  430 ✅ ±0  20 💤 ±0  0 ❌ ±0 

Results for commit fee6b6e. ± Comparison against base commit 5d41c28.

♻️ This comment has been updated with latest results.

[github-actions]

Backend Test Results

590 tests  ±0   590 ✅ ±0   2m 47s ⏱️ +3s
  1 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit fee6b6e. ± Comparison against base commit 5d41c28.

♻️ This comment has been updated with latest results.

[dhaselhan]

LGTM 👍