docs(material-experimental/mdc-core): fix scss examples (#21740)

Author: macjohnny

src/material-experimental/mdc-autocomplete/README.md

@@ -70,7 +70,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-autocomplete-theme($my-theme);
-   @include mat-mdc-autocomplete-typography();
+   @include mat-mdc-autocomplete-typography($my-theme);
    ```
 
 ## API differences

src/material-experimental/mdc-checkbox/README.md

@@ -66,7 +66,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-checkbox-theme($my-theme);
-   @include mat-mdc-checkbox-typography();
+   @include mat-mdc-checkbox-typography($my-theme);
    ```
 
 ## API differences

src/material-experimental/mdc-menu/README.md

@@ -70,7 +70,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-menu-theme($my-theme);
-   @include mat-mdc-menu-typography();
+   @include mat-mdc-menu-typography($my-theme);
    ```
 
 ## API differences

src/material-experimental/mdc-paginator/README.md

@@ -66,7 +66,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-paginator-theme($my-theme);
-   @include mat-mdc-paginator-typography();
+   @include mat-mdc-paginator-typography($my-theme);
    ```
 
 ## API differences

src/material-experimental/mdc-progress-bar/README.md

@@ -67,7 +67,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-progress-bar-theme($my-theme);
-   @include mat-mdc-progress-bar-typography();
+   @include mat-mdc-progress-bar-typography($my-theme);
    ```
 
 ## Replacing the standard progress bar in an existing app

src/material-experimental/mdc-progress-spinner/README.md

@@ -67,7 +67,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-progress-spinner-theme($my-theme);
-   @include mat-mdc-progress-spinner-typography();
+   @include mat-mdc-progress-spinner-typography($my-theme);
    ```
 
 ## Replacing the standard progress spinner in an existing app

src/material-experimental/mdc-select/README.md

@@ -74,7 +74,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-select-theme($my-theme);
-   @include mat-mdc-select-typography();
+   @include mat-mdc-select-typography($my-theme);
    ```
 
 ## API differences

src/material-experimental/mdc-slide-toggle/README.md

@@ -66,7 +66,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-slide-toggle-theme($my-theme);
-   @include mat-mdc-slide-toggle-typography();
+   @include mat-mdc-slide-toggle-typography($my-theme);
    ```
 
 ## Replacing the standard slide toggle in an existing app

src/material-experimental/mdc-tabs/README.md

@@ -70,7 +70,7 @@ component by following these steps:
    ));
 
    @include mat-mdc-tabs-theme($my-theme);
-   @include mat-mdc-tabs-typography();
+   @include mat-mdc-tabs-typography($my-theme);
    ```
 
 ## API differences