chore(*): Set grid minWidth as constraint only if no user set min or width.

Author: MKirova

projects/igniteui-angular/grids/core/src/columns/column.component.ts

@@ -2679,7 +2679,7 @@ export class IgxColumnComponent implements AfterContentInit, OnDestroy, ColumnTy
         } else if (this.minWidth && newSize <= this.userSetMinWidthPx) {
             this.widthConstrained = true;
             return this.userSetMinWidthPx;
-        } else if (!this.minWidth && newSize <= this.grid.minColumnWidth){
+        } else if (!this.minWidth && !this.widthSetByUser && newSize <= this.grid.minColumnWidth){
             this.widthConstrained = true;
             return this.grid.minColumnWidth;
         } else {