fix(core): adjust copy link button styles (#10337)

close PD-2344
![CleanShot 2025-02-21 at 11 22 32@2x](https://github.com/user-attachments/assets/97d1052b-c900-47df-89ba-476787a28587)
![CleanShot 2025-02-21 at 11 22 08@2x](https://github.com/user-attachments/assets/2b455797-dfc8-4572-95ac-3ee8b33b0528)

packages/frontend/core/src/modules/share-menu/view/share-menu/copy-link-button.css.ts

@@ -6,7 +6,6 @@ export const copyLinkContainerStyle = style({
   alignItems: 'center',
   width: '100%',
   position: 'relative',
-  border: `1px solid ${cssVarV2('layer/insideBorder/blackBorder')}`,
   selectors: {
     '&.secondary': {
       padding: 0,
@@ -17,6 +16,7 @@ export const copyLinkContainerStyle = style({
 export const copyLinkButtonStyle = style({
   flex: 1,
   padding: '4px 12px',
+  height: '30px',
   paddingRight: '6px',
   borderRadius: '4px',
   borderRight: 'none',
@@ -73,6 +73,7 @@ export const copyLinkShortcutStyle = style({
 export const copyLinkTriggerStyle = style({
   padding: '4px 12px 4px 8px',
   borderRadius: '4px',
+  height: '30px',
   borderLeft: 'none',
   borderTopLeftRadius: '0',
   borderBottomLeftRadius: '0',