fix(ui5-shellbar): Profile is styled correctly on IE (#1807)

Author: vladitasev

packages/fiori/src/themes/ShellBar.css

@@ -78,7 +78,7 @@ slot[name="profile"] {
 	min-width: 0;
 }
 
-::slotted(ui5-avatar) {
+::slotted(ui5-avatar[slot="profile"]) {
 	min-width: 0;
 	width: 2.25rem;
 	height: 2.25rem;
@@ -469,4 +469,4 @@ ui5-input[value-state]:not([value-stat="None"])[focused] {
 
 ::slotted(ui5-button[profile-btn]) {
 	width: auto;
-}
+}