fix(FileInput): change hiding approach of input (#78) (#79)

Author: DC-RomanKarpov

src/lib/kit/components/Inputs/FileInput/FileInput.scss

@@ -4,12 +4,7 @@
     display: flex;
 
     &__input {
-        opacity: 0;
-        position: absolute;
-        clip: rect(0 0 0 0);
-        width: 1px;
-        height: 1px;
-        margin: -1px;
+        display: none;
     }
 
     &__file-name {