Improve stock splits setup

apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.html

@@ -580,7 +580,11 @@
                     </mat-datepicker-toggle>
                     <mat-datepicker #dateOfSplit />
                   </mat-form-field>
-                  <mat-form-field appearance="outline" class="mb-3 w-100">
+                  <div class="align-items-center d-flex mb-3">
+                    <mat-form-field
+                      appearance="outline"
+                      class="w-100 without-hint"
+                    >
                       <mat-label i18n>Shares After</mat-label>
                       <input
                         formControlName="numerator"
@@ -588,15 +592,12 @@
                         step="1"
                         type="number"
                       />
-                    <mat-hint
-                      ><ng-container i18n>Numerator</ng-container>,
-                      <ng-container i18n
-                        >e.g. 4 for a 4:1 split or 1 for a 1:10 reverse
-                        split</ng-container
-                      ></mat-hint
-                    >
                     </mat-form-field>
-                  <mat-form-field appearance="outline" class="mb-3 w-100">
+                    <div class="mx-2">:</div>
+                    <mat-form-field
+                      appearance="outline"
+                      class="w-100 without-hint"
+                    >
                       <mat-label i18n>Shares Before</mat-label>
                       <input
                         formControlName="denominator"
@@ -604,14 +605,8 @@
                         step="1"
                         type="number"
                       />
-                    <mat-hint
-                      ><ng-container i18n>Denominator</ng-container>,
-                      <ng-container i18n
-                        >e.g. 1 for a 4:1 split or 10 for a 1:10 reverse
-                        split</ng-container
-                      ></mat-hint
-                    >
                     </mat-form-field>
+                  </div>
                   <div class="text-right">
                     <button
                       color="primary"