Color contrast issues with light themes

When switching to use the light themes, I noticed a few spots where there are with bad color contrast issues making text hard to read, or there hasn't been a correct color apliied to a button/text for light theme - like it's still using its dark mode equivalent

From the attached screenshots:

• The yellow text and icon on Import files to denote a plus account are quite illegible

• The settings, friends, and Spotify icon on the profile page should ideally be black

• The Edit profile button looks like it's pulling through dark mode styling, would be better being white background with a black border and black icon

• The yellow icon and button on the import call-out on profiles is very low contrast and hard to read

• The share button at the top of the tracks/artists/albums/genres screenshot is illegible

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