Backport of the rest UI fixes missing in the 1.2

[mmelko]

Backport of PRs:

• source editor dynamic height: fix(Source): Use dynamic height instead of fixed height in pixels #920
• the Trace view:
• fix(#905): Polish the Trace view of the camel plugin #908
  connect-plugin:
• refactor(connect-plugin): adjust the look to be consistent with the rest of the plugins #919

[github-actions]

Test Results

  8 files  ±0    8 suites  ±0   43m 57s ⏱️ -16s
 66 tests ±0   64 ✅ +1   2 💤 ±0  0 ❌  - 1 
470 runs  ±0  445 ✅ ±0  25 💤 +1  0 ❌  - 1 

Results for commit 4e4c945. ± Comparison against base commit cf99b6b.

♻️ This comment has been updated with latest results.

[hawtio-ci]

Test results

Run attempt: 1674
Detailed summary

NAME	TESTS	PASSED ✅	SKIPPED 💤	FAILED ❌	ERRORS 🚫	TIME 🕖
results-quarkus-node(18)-java(17)-firefox	67	64	3	0	0	376.408
results-quarkus-node(18)-java(21)-firefox	67	64	3	0	0	372.738
results-quarkus-node(20)-java(17)-firefox	1	1	0	0	0	5.381
results-quarkus-node(20)-java(21)-firefox	67	64	3	0	0	375.627
results-springboot-node(18)-java(17)-firefox	67	63	4	0	0	385.417
results-springboot-node(18)-java(21)-firefox	67	63	4	0	0	373.276
results-springboot-node(20)-java(17)-firefox	67	63	4	0	0	372.02
results-springboot-node(20)-java(21)-firefox	67	63	4	0	0	377.067