fix: HTML report tinkering

[another-rex]

Made a series of changes to resolve the issues identified in #1528

Hosted an example here: https://another-rex.github.io/TestPages/Vulnerability%20Scan%20Report.html

To make it easier to see the changes, when reviewing, use this link:
https://github.com/google/osv-scanner/pull/1561/files/bd8d5211e77612b1a0a68a4b00db1d40535fe400..8223593ef84cda34da84a57aecd12d3258ea1463
which select the diffs Excluding the first commit (use shift to select multiple commits). That moves the files around which breaks all of git's diffing. No change other than moving the files and reindenting is done in that first commit.

HTML:

• Move to actual .js and .css file rather than .html files.
• Alias and groupid tooltips now put each ID on a new line.
• Can now click on the entire filter box to change it, not just on the text part.

CSS:

• Remove max-height in the inner tables, this was making it impossible to have tooltips that escape the container (at least I haven't figured out how to have both).
• Tooltip box sizing is now dynamic with max-width
• Tooltips now display upwards instead of downwards
• Highlight source path better
• Minor refactor to how the search box is laid out
• Remove unused css lines.
• Make iframe bg color black instead of white to avoid flash banging people.

JS:

• Remove all style edits in javascript, state changes are made with classes now. (TIL classList.toggle() function)
• Basic linter pass (e.g. use const on variables, define all variables...etc)
• Run showAllVulns() function at page load.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.29%. Comparing base (a5d0e2b) to head (2a34bbc).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1561      +/-   ##
==========================================
- Coverage   69.31%   69.29%   -0.02%     
==========================================
  Files         200      200              
  Lines       19038    19046       +8     
==========================================
+ Hits        13196    13198       +2     
- Misses       5135     5140       +5     
- Partials      707      708       +1     

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[hogo6002]

Thanks! can you host one sample HTML on Github

[another-rex]

Hosted an example here: https://another-rex.github.io/TestPages/Vulnerability%20Scan%20Report.html

[hogo6002]

Thanks for cleaning up the JS file with best practice!

[hogo6002]

Thanks!