[#noissue] fix wrong ui/ux

[BillionaireDY]

• fix main page layout: fix no agent massage disappears
• allow side navigation title to routing(if has path)
• fix styles of webhook list [#noissue] fix scroll #8366

[codecov]

Codecov Report

Merging #9582 (9c30a8b) into master (92bea37) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 9c30a8b differs from pull request most recent head 7322dc6. Consider uploading reports for the commit 7322dc6 to get more accurate results

@@             Coverage Diff              @@
##             master    #9582      +/-   ##
============================================
- Coverage     38.89%   38.86%   -0.03%     
+ Complexity    11890    11885       -5     
============================================
  Files          3486     3486              
  Lines         93748    93755       +7     
  Branches      10522    10522              
============================================
- Hits          36464    36442      -22     
- Misses        54128    54151      +23     
- Partials       3156     3162       +6     

Impacted Files	Coverage Δ
...rp/pinpoint/rpc/packet/ControlHandshakePacket.java	44.82% <0.00%> (-24.14%)	⬇️
...p/pinpoint/rpc/stream/StreamChannelRepository.java	57.89% <0.00%> (-21.06%)	⬇️
...vercorp/pinpoint/rpc/packet/ServerClosePacket.java	47.82% <0.00%> (-17.40%)	⬇️
...vercorp/pinpoint/rpc/packet/ClientClosePacket.java	46.66% <0.00%> (-6.67%)	⬇️
...rp/pinpoint/rpc/server/PinpointServerAcceptor.java	84.10% <0.00%> (-4.64%)	⬇️
...orp/pinpoint/rpc/server/DefaultPinpointServer.java	79.83% <0.00%> (-2.06%)	⬇️
...n/server/bo/serializer/trace/v2/SpanEncoderV0.java	82.88% <0.00%> (-0.54%)	⬇️
...n/server/bo/serializer/trace/v2/SpanDecoderV0.java	81.27% <0.00%> (-0.46%)	⬇️
...rc/main/java/com/navercorp/pinpoint/test/Item.java	72.22% <0.00%> (ø)
...ercorp/pinpoint/profiler/context/id/TraceRoot.java	100.00% <0.00%> (ø)
... and 7 more

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