Fixed issue where you can deselect the last page

Author: S0ulDrag0n

src/components/PageExtractionModal/PageExtractionThumbnail.tsx

@@ -87,8 +87,8 @@ class PageExtractionThumbnail extends React.Component<PageExtractionThumbnailInp
         if (this.state.isDisabled) {
             return;
         }
-        this.props.onClick(this.props.pageNumber, !this.state.isSelected);
         this.setState({ isSelected: !this.state.isSelected });
+        this.props.onClick(this.props.pageNumber, !this.state.isSelected);
     };
     render(): JSX.Element {
         const { thumbnail, isHover, isSelected } = this.state;
@@ -106,6 +106,7 @@ class PageExtractionThumbnail extends React.Component<PageExtractionThumbnailInp
                     type="checkbox"
                     style={{ position: "absolute", top: 0, left: 0 }}
                     disabled={this.state.isDisabled}
+                    defaultChecked={isSelected}
                     checked={isSelected}
                     onClick={this.onClick}
                 />

src/components/PageExtractionModal/index.tsx

@@ -72,9 +72,9 @@ class PageExtractionModal extends React.Component<PageExtractionModalInputProps,
                 pageInput: `${this.state.pageInput},${pageNumber}`
             });
         } else {
-            this.setState({
-                pageInput: this.parsePageInputString(this.state.pageInput.replace(`${pageNumber}`, ""))
-            });
+            const parsedInput = this.parsePageInputString(this.state.pageInput.replace(`${pageNumber}`, ""));
+            this.setState({ pageInput: parsedInput });
+            this.trigger(parsedInput);
         }
     };
     parsePageInputString = (input: string) => {