Consistent Theme Styling for Annotations + auto update on change

[JoeAtHPI]

Currently, many colors are hardcoded throughout the code. This leads to hardly readable, or unreadable text depending on the theme, e.g. the grey of the buttons in a dark theme

or backgrounds were inconsistent

With this MR, colors adjust themselves to the theme and change automatically when a new change is applied.
Many applyUserInterfaceTheme and UI constants were added. As the values morph for Probes was different with each class, fullfilling the same purpose, they were extracted into their own classes. BPBrowser now invalidates itself when a theme changed. This is because in the scenario

1. Browser display method a with probes
2. User switches to method b
3. User switches theme
4. User goes back to a
   the probes in a would still have the old theme as they were not rendered before.

Below are two example themes.

[coveralls]

Pull Request Test Coverage Report for Build 5454038473

• 4 of 24 (16.67%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.7%) to 65.066%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
packages/Babylonian-ProbeLog.package/BPSwimlane.class/instance/newBackUpTitleMorphFor..st	0	1	0.0%
packages/Babylonian-ProbeLog.package/BPSwimlaneLineMorph.class/instance/textColor.st	0	4	0.0%
packages/Babylonian-ProbeLog.package/BPLabelMorph.class/instance/applyUserInterfaceTheme.st	0	6	0.0%
packages/Babylonian-ProbeLog.package/BPSwimlaneLineMorph.class/instance/applyUserInterfaceTheme.st	0	9	0.0%

Totals
Change from base Build 5410672123:	-0.7%
Covered Lines:	1192
Relevant Lines:	1832

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💛 - Coveralls

[ekrebs5]

Looks good in general, just have a few inputs:

• it tries to readd the printbugger package; this is the probelog now
• see comment that one color could be extracted to its own function
• as seen in the screenshots, dark themes such as Monokai (dark) retain a light color for some Babylonian Morphs if the browser is open during the change; can this be fixed or will a browser reopen be neccessary here?

[JoeAtHPI]

@ekrebs5 did you mean the printbugger in the .ston? or elsewhere?