fix: build initiial nav params on observable

[aaron-steinfeld]

Description

Link observable was only emitting after a change in route, so initial state was empty.

Testing

Manual

[codecov]

Codecov Report

Merging #949 (10b98c8) into main (3c36e74) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #949   +/-   ##
=======================================
  Coverage   85.05%   85.05%           
=======================================
  Files         812      812           
  Lines       16723    16723           
  Branches     2004     2004           
=======================================
  Hits        14223    14223           
  Misses       2468     2468           
  Partials       32       32           

Impacted Files	Coverage Δ
...ojects/common/src/navigation/navigation.service.ts	85.71% <ø> (ø)

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[github-actions]

Unit Test Results

    4 files  ±0  259 suites  ±0   15m 44s ⏱️ +59s
937 tests ±0  937 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
943 runs  ±0  943 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit b909313. ± Comparison against base commit 3c36e74.