updated mock dream dates with randomized range generator, adjusted imports for consistency, and relocated utilities for better structure

Signed-off-by: Matthias Puchstein <matthias@puchstein.bayern>

src/pages/Home.tsx

@@ -1,7 +1,7 @@
 import {useState} from 'react';
 import {mockDreams} from '../data/MockDreams';
 import {MockUserMap} from '../data/MockUsers';
-import {getSortedDreamsByDate} from '../data/DreamUtils';
+import {getSortedDreamsByDate} from '../utils/DreamUtils.ts';
 import {primaryMoodCategories, topDreamTopics} from '../data/MockDailyHighlights';
 import {getAccentStyle, getBackgroundStyle, getCardStyle, getTextStyle} from '../styles/StyleUtils';
 import {formatDateFull, formatDateSimple} from '../utils/DateUtils';