style(Inputbar): use primary color for inputbar tools (#9058)

style(Inputbar): 将激活状态图标颜色从--color-link改为--color-primary

src/renderer/src/pages/home/Inputbar/ThinkingButton.tsx

@@ -73,7 +73,7 @@ const ThinkingButton: FC<Props> = ({ ref, model, assistant, ToolbarButton }): Re
   }, [currentReasoningEffort, supportedOptions, updateAssistantSettings, model.id])
 
   const createThinkingIcon = useCallback((option?: ThinkingOption, isActive: boolean = false) => {
-    const iconColor = isActive ? 'var(--color-link)' : 'var(--color-icon)'
+    const iconColor = isActive ? 'var(--color-primary)' : 'var(--color-icon)'
 
     switch (true) {
       case option === 'minimal':

src/renderer/src/pages/home/Inputbar/WebSearchButton.tsx

@@ -137,7 +137,7 @@ const WebSearchButton: FC<Props> = ({ ref, assistant, ToolbarButton }) => {
         <Globe
           size={18}
           style={{
-            color: enableWebSearch ? 'var(--color-link)' : 'var(--color-icon)'
+            color: enableWebSearch ? 'var(--color-primary)' : 'var(--color-icon)'
           }}
         />
       </ToolbarButton>