inherit letter spacing so shared styles take effect

Author: CGastrell

projects/packages/forms/src/blocks/input-phone/editor.scss

@@ -17,14 +17,15 @@
 		}
 
 		// these class is used to style input and textarea elements
-		.jetpack-field__input-element {
+		.jetpack-field__input-element:not(.jetpack-field__input-prefix .jetpack-field__input-element) {
 			font: inherit;
 			line-height: inherit;
 			border: 0;
 			color: inherit;
 			outline: none;
 			background-color: transparent;
 			padding: 0;
+			letter-spacing: inherit;
 
 			flex: 1;
 			width: inherit;

projects/packages/forms/src/contact-form/css/phone-field.scss

@@ -45,6 +45,10 @@
 			resize: none;
 			padding: 0;
 			min-width: unset;
+
+			&:not(.jetpack-field__input-prefix .jetpack-field__input-element) {
+				letter-spacing: inherit;
+			}
 		}
 
 		.jetpack-field__input-element::before,