fix(tooltip): use manual line height

Because it is more important that the tooltip respect its height token,
and with the prescribed line-height token the tooltip exceeds its
prescribed height, the line height gets a manual adjustment here in
order to not exceed its height.

components/tooltip/index.css

@@ -25,7 +25,9 @@ governing permissions and limitations under the License.
 	--spectrum-tooltip-border-radius: var(--spectrum-corner-radius-400);
 
 	--spectrum-tooltip-font-size: var(--spectrum-font-size-75);
-	--spectrum-tooltip-line-height: var(--spectrum-line-height-100);
+
+	/* @todo set line-height using font size specific line-height tokens when they are finalized along with the new variable font. */
+	--spectrum-tooltip-line-height: 1.2;
 	--spectrum-tooltip-cjk-line-height: var(--spectrum-cjk-line-height-100);
 	--spectrum-tooltip-font-weight: var(--spectrum-regular-font-weight);