feat(data source UI config): Popup the configuration dialogue whenever a data source is not fully configured

[jbocce]

Context

If a data source is not fully configured (e.g. the various wado, qido, etc roots are not set), then OHIF should popup the data source configuration modal to configure the data source.

Changes & Results

Instead of navigating to the server not found page, give any data source with a configuration API the chance to configure itself via the UI.

Testing

1. Check out the branch for this PR.
2. Remove the various configuration paths for the 'dicomweb' data source from the config/google.js configuration file.
3. Set the configuration file to be google.js.
4. Start OHIF and navigate to the client.
5. The 'Configure Data Source' modal should be displayed and should allow the Google Cloud Healthcare data source to be configured.

Checklist

PR

• My Pull Request title is descriptive, accurate and follows the
  semantic-release format and guidelines.

Code

• My code has been well-documented (function documentation, inline comments,
  etc.)

Public Documentation Updates

• The documentation page has been updated as necessary for any public API
  additions or removals.

Tested Environment

• OS: Windows 11
• Node version: 16.14.0
• Browser: Chrome 115.0.5790.171

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[codecov]

Codecov Report

Merging #3620 (a2554f4) into master (35fc30c) will not change coverage.
Report is 2 commits behind head on master.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3620   +/-   ##
=======================================
  Coverage   42.58%   42.58%           
=======================================
  Files          80       80           
  Lines        1463     1463           
  Branches      340      340           
=======================================
  Hits          623      623           
  Misses        675      675           
  Partials      165      165           

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[sedghi]

minor doc requests, thanks