Fixes #15046: Add full font overrides for popovers and tooltips

dist/css/bootstrap.css

@@ -5623,7 +5623,9 @@ button.close {
   position: absolute;
   z-index: 1070;
   display: block;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 12px;
+  font-weight: normal;
   line-height: 1.4;
   visibility: visible;
   filter: alpha(opacity=0);
@@ -5729,6 +5731,7 @@ button.close {
   display: none;
   max-width: 276px;
   padding: 1px;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 14px;
   font-weight: normal;
   line-height: 1.42857143;

docs/dist/css/bootstrap.css

@@ -5623,7 +5623,9 @@ button.close {
   position: absolute;
   z-index: 1070;
   display: block;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 12px;
+  font-weight: normal;
   line-height: 1.4;
   visibility: visible;
   filter: alpha(opacity=0);
@@ -5729,6 +5731,7 @@ button.close {
   display: none;
   max-width: 276px;
   padding: 1px;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 14px;
   font-weight: normal;
   line-height: 1.42857143;

less/popovers.less

@@ -12,6 +12,7 @@
   max-width: @popover-max-width;
   padding: 1px;
   // Reset font and text propertes given new insertion method
+  font-family: @font-family-base;
   font-size: @font-size-base;
   font-weight: normal;
   line-height: @line-height-base;

less/tooltip.less

@@ -9,7 +9,10 @@
   z-index: @zindex-tooltip;
   display: block;
   visibility: visible;
+  // Reset font and text propertes given new insertion method
+  font-family: @font-family-base;
   font-size: @font-size-small;
+  font-weight: normal;
   line-height: 1.4;
   .opacity(0);