fix: DEC-9676 展开图标改为用实心箭头

src/less/font.less

@@ -10,3 +10,5 @@
 .font(dcm-link-other-font, @font-link-other);
 .font(dcm-change-name-font, @font-change-name);
 .font(dcm-link-edit-font, @font-link-edit);
+.font(dcm-triangle-collapse-font, @font-triangle-collapse);
+.font(dcm-triangle-expand-font, @font-triangle-expand);

src/less/lib/font.less

@@ -7,3 +7,5 @@
 @font-link-other: "e796";
 @font-change-name: "e6cc";
 @font-link-edit: "e6ba";
+@font-triangle-collapse: "e6d8";
+@font-triangle-expand: "e6d7";

src/modules/components/collapse/collapse.ts

@@ -35,7 +35,7 @@ export class Collapse extends BI.BasicButton {
                 {
                     type: IconLabel,
                     height: 17,
-                    cls: 'pull-right-font',
+                    cls: 'dcm-triangle-collapse-font icon-size-16',
                     ref: (_ref: any) => {
                         this.rightFont = _ref;
                     },
@@ -44,7 +44,7 @@ export class Collapse extends BI.BasicButton {
                 {
                     type: IconLabel,
                     height: 17,
-                    cls: 'pull-down-font',
+                    cls: 'dcm-triangle-expand-font icon-size-16',
                     ref: (_ref: any) => {
                         this.downFont = _ref;
                     },