refactor: update style and dashboard cell max

frontend/src/views/dashboard/canvas/CanvasCore.vue

@@ -251,7 +251,9 @@ function removeItemFromPositionBox(item: CanvasItem) {
  */
 function recomputeCellWidth() {
   if (!containerRef.value) return
-  maxCell.value = Math.round(containerRef.value.offsetWidth / cellWidth.value)
+  maxCell.value = isMainCanvas(props.canvasId)
+    ? Math.floor(containerRef.value.offsetWidth / cellWidth.value)
+    : Math.round(containerRef.value.offsetWidth / cellWidth.value)
 }
 
 function sizeInit() {
@@ -918,6 +920,8 @@ function startMove(e: MouseEvent, item: CanvasItem, index: number) {
         ),
         1
       )
+      // temp adjust board
+
       // Adjust the accuracy of moving coordinate changes
       const newY = Math.max(
         Math.floor(

frontend/src/views/dashboard/editor/DashboardEditor.vue

@@ -66,12 +66,12 @@ const canvasSizeInit = () => {
 
 const sizeInit = () => {
   if (dashboardEditorRef.value) {
+    baseMarginLeft.value = 16
+    baseMarginTop.value = 16
     // @ts-expect-error eslint-disable-next-line @typescript-eslint/ban-ts-comment
     const screenWidth = dashboardEditorRef.value.offsetWidth
     // @ts-expect-error eslint-disable-next-line @typescript-eslint/ban-ts-comment
     const screenHeight = dashboardEditorRef.value.offsetHeight
-    baseMarginLeft.value = 10
-    baseMarginTop.value = 10
     baseWidth.value =
       (screenWidth - baseMarginLeft.value) / props.baseMatrixCount.x - baseMarginLeft.value
     baseHeight.value =

frontend/src/views/dashboard/editor/index.vue

@@ -91,7 +91,7 @@ const baseParams = computed(() => {
 
 <style scoped lang="less">
 .editor-content {
-  padding: 12px;
+  padding: 8px;
   width: 100vw;
   height: 100vh;
   background: #fff;