* Fixes for NIRVSS UI spectral plot view
- Fixes Y axis 2 vertical line color in spectral plot;
* Fixes for NIRVSS UI spectral plot view
- Fixes Y axis 2 vertical line color in spectral plot;
- Tweaks to themed plot hash line colors;
- Fixed Plotly axis label title font sizing;
- Fixed Plotly axis vertical line color;
- Removed styling that caused `c-button` within
`h-local-controls--overlay-content` to be background on background
color;
* Mods to support NIRVSS spectra plot enhancements
- Plot legend can display a header element, related styles;
- Remove unneeded margin from propertiesHeader mixin;
* Mods to support NIRVSS spectra plot enhancements
- Finessing plot legend header styling;
- New theme constants for plot legend header;
- Increased size of plot color swatches;
* Mods to support NIRVSS spectra plot enhancements
- Major progress on Plotly style overrides;
* New glyphs for Spectra and Commands
* Icon backgrounds added for new glyphs
- bg-icon-spectra, -spectra-telemetry and -command;
* Plot legend enhancements
- Make selector for .hover-value-enabled less selective;
* Move plotly SCSS into its own file
