[CBW-1070] Display 'no tokens found' when searching for tokens

[shjortConcordium]

Purpose

Add a missing label when searching for tokens with no results.

Changes

Added the label.

Checklist

• [x] My code follows the style of this project.
• [x] The code compiles without warnings.
• [x] I have performed a self-review of the changes.
• [x] I have documented my code, in particular the intent of the hard-to-understand areas.
• [x] (If necessary) I have updated the CHANGELOG.

[github-actions[bot]]

File	Coverage [0%]	:x:
SelectTokensFragment.kt	0%	:x:

Total Project Coverage	0.91%	:x:

[github-actions[bot]]

File	Coverage [0%]	:x:
SelectTokensFragment.kt	0%	:x:

Total Project Coverage	0.91%	:x:

[github-actions[bot]]

File	Coverage [0%]	:x:
SelectTokensFragment.kt	0%	:x:

Total Project Coverage	0.91%	:x: