(core) Delete my account button

Summary:
Adding new "Delete my account" button to the profile page that allows users to remove completely
their accounts as long as they don't own any team site.

Test Plan: Added

Reviewers: georgegevoian, paulfitz

Reviewed By: georgegevoian, paulfitz

Subscribers: paulfitz

Differential Revision: https://phab.getgrist.com/D4037

app/common/themes/GristDark.ts

@@ -5,7 +5,8 @@ export const GristDark: ThemeColors = {
   'text': '#EFEFEF',
   'text-light': '#A4A4B1',
   'text-dark': '#FFFFFF',
-  'text-error': '#FF6666',
+  'text-error': '#E63946',
+  'text-error-hover': '#FF5C5C',
   'text-danger': '#FFA500',
   'text-disabled': '#A4A4B1',
 

app/common/themes/GristLight.ts

@@ -6,6 +6,7 @@ export const GristLight: ThemeColors = {
   'text-light': '#929299',
   'text-dark': 'black',
   'text-error': '#D0021B',
+  'text-error-hover': '#A10000',
   'text-danger': '#FFA500',
   'text-disabled': '#929299',