i18n: rename diagram color schemes

Give each mind-map palette a quieter English and Chinese name, and
relabel the vivid/classic groups as bright/quiet.

packages/shared/src/i18n/en-US.ts

@@ -363,18 +363,18 @@ export const enUS = {
     autoLayoutTooltip: "Re-arrange all nodes and connections",
     toolbar: "Diagram toolbar",
     theme: "Color scheme",
-    themeGroupVivid: "Vivid",
-    themeGroupClassic: "Classic",
+    themeGroupVivid: "Bright",
+    themeGroupClassic: "Quiet",
     themeBrand: "Forest",
-    themeSun: "Sun",
-    themeWa: "Breeze",
-    themeIsland: "Island",
-    themeRose: "Rose",
-    themeMint: "Mint",
-    themeCosmos: "Cosmos",
-    themeTea: "Tea",
-    themeNaive: "Play",
-    themeMacaron: "Macaron",
+    themeSun: "Gleam",
+    themeWa: "Tide",
+    themeIsland: "Clay",
+    themeRose: "Blush",
+    themeMint: "Brook",
+    themeCosmos: "Night",
+    themeTea: "Sprout",
+    themeNaive: "Fizz",
+    themeMacaron: "Pastel",
     structure: "Shape",
     structureGroupMap: "Mind map",
     structureGroupLogic: "Logic chart",

packages/shared/src/i18n/zh-CN.ts

@@ -363,18 +363,18 @@ export const zhCN = {
     autoLayoutTooltip: "重新规整所有节点与连线",
     toolbar: "图形工具栏",
     theme: "配色",
-    themeGroupVivid: "缤纷",
-    themeGroupClassic: "经典",
+    themeGroupVivid: "鲜亮",
+    themeGroupClassic: "沉静",
     themeBrand: "森绿",
-    themeSun: "阳光",
-    themeWa: "和风",
-    themeIsland: "岛屿",
-    themeRose: "玫瑰",
-    themeMint: "薄荷",
-    themeCosmos: "宇宙",
-    themeTea: "绿茶",
-    themeNaive: "纯真",
-    themeMacaron: "马卡龙",
+    themeSun: "晴穗",
+    themeWa: "潮汐",
+    themeIsland: "陶岸",
+    themeRose: "绯雾",
+    themeMint: "泠泉",
+    themeCosmos: "夜航",
+    themeTea: "青芽",
+    themeNaive: "糖纸",
+    themeMacaron: "软糖",
     structure: "形状",
     structureGroupMap: "思维导图",
     structureGroupLogic: "逻辑图",