fix(pro-layout): Header 文字颜色根据Theme取反色

Author: TsMask

Diff for: packages/pro-layout/src/components/GlobalHeader/index.less

@@ -12,6 +12,7 @@
   align-items: center;
   height: 100%;
   padding: 0 16px;
+  color: @text-color;
   background: @pro-layout-header-bg;
   box-shadow: @pro-layout-header-box-shadow;
   > * {

Diff for: packages/pro-layout/src/components/TopNavHeader/index.less

@@ -8,12 +8,14 @@
   height: 100%;
   box-shadow: 0 1px 4px 0 rgba(0, 21, 41, 0.12);
   transition: background 0.3s, width 0.2s;
+  color: @text-color-dark;
 
   .@{ant-prefix}-menu {
     background: transparent;
   }
 
   &.light {
+    color: @text-color;
     background-color: @component-background;
     .@{top-nav-header-prefix-cls}-logo {
       h1 {