EXT-7596 FIXED Reworked filters 'My Appearance' and 'Add Wearaples' panel corresponding with spec

- Changed label and font of filter's label in 'Add Wearables' panel
- Added magnifier icon to the filters of 'My Appearance' and 'Add Wearables' panels

Reviewed by Mike Antipov at https://codereview.productengine.com/secondlife/r/515/

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branch : product-engine