[BUG] High memory use

[SixofClubsss]

Describe the bug
High memory after prolonged use.

Relevant Package/Repo
Relevant to dReams app. Some work may been needed dApp side

To Reproduce
Steps to reproduce the behavior:

1. Start dReams and check memory after syncing
2. Actively use dReams for a few hours
3. Check memory

Expected behavior
Reduced memory consumption, finding a medium.

Screenshots
none

Additional context
pprof top10

     flat  flat%   sum%        cum   cum%
1296.76MB 26.53% 26.53%  1733.31MB 35.46%  fyne.io/fyne/v2/widget.(*RichText).cachedSegmentVisual
 680.12MB 13.91% 40.44%   708.38MB 14.49%  fyne.io/fyne/v2/widget.NewRichText (inline)
 656.63MB 13.43% 53.88%   656.63MB 13.43%  fyne.io/fyne/v2/widget.NewLabelWithStyle
 429.50MB  8.79% 62.66%  4037.65MB 82.60%  fyne.io/fyne/v2/internal/cache.Renderer
 409.55MB  8.38% 71.04%   409.55MB  8.38%  fyne.io/fyne/v2/canvas.NewText
 361.03MB  7.39% 78.43%  1064.15MB 21.77%  fyne.io/fyne/v2/widget.NewRichTextWithText
 300.53MB  6.15% 84.58%   300.53MB  6.15%  fyne.io/fyne/v2/canvas.NewRectangle (inline)
 222.51MB  4.55% 89.13%   282.77MB  5.79%  fyne.io/fyne/v2/widget.(*RichText).updateRowBounds.func1
    115MB  2.35% 91.48%  2449.97MB 50.12%  fyne.io/fyne/v2/widget.(*RichText).CreateRenderer
  89.50MB  1.83% 93.31%    89.50MB  1.83%  fyne.io/fyne/v2/internal/cache.(*expiringCache).setAlive