feat(bridge-ui-v2): Style adjustments

[KorbinianK]

Inputs and paddings are now closer to our design, more changes will come with the activities PR soon.

External Links now have an arrow, indicating that you leave the page

[codecov]

Codecov Report

Merging #14350 (f2f7d59) into main (1eeba9d) will decrease coverage by 9.60%.
Report is 12 commits behind head on main.
The diff coverage is n/a.

❗ Current head f2f7d59 differs from pull request most recent head 9edb57d. Consider uploading reports for the commit 9edb57d to get more accurate results

@@            Coverage Diff             @@
##             main   #14350      +/-   ##
==========================================
- Coverage   77.34%   67.75%   -9.60%     
==========================================
  Files          56       88      +32     
  Lines        1452     3045    +1593     
  Branches      112      112              
==========================================
+ Hits         1123     2063     +940     
- Misses        297      859     +562     
- Partials       32      123      +91     

Flag	Coverage Δ
bridge-ui	94.25% <ø> (ø)
eventindexer	51.71% <ø> (-0.35%)	⬇️
relayer	59.13% <ø> (?)

see 33 files with indirect coverage changes

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