Changed rgba to rgb in style files

Author: tarlepp

src/app/shared/components/error-message/error-message.component.scss

@@ -11,7 +11,7 @@
        */
       .mat-list-item-content {
         padding: 0 0 vars.$spacing-half;
-        color: rgba(255, 255, 255, .7);
+        color: rgb(255, 255, 255, .7);
         line-height: 12px;
       }
     }

src/styles/theme.scss

@@ -49,12 +49,12 @@ $light-theme-background: (
   status-bar: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 300),
   app-bar: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 100),
   background: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 50),
-  hover: rgba(black, .04), // TODO(kara): check style with Material Design UX
+  hover: rgb(black, .04), // TODO(kara): check style with Material Design UX
   card: white,
   dialog: white,
-  disabled-button: rgba(black, .12),
+  disabled-button: rgb(black, .12),
   raised-button: white,
-  focused-button: rgba(black, .12),
+  focused-button: rgb(black, .12),
   selected-button: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 300),
   selected-disabled-button: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 400),
   disabled-button-toggle: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 200),
@@ -68,12 +68,12 @@ $dark-theme-background: (
   status-bar: black,
   app-bar: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 800),
   background: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 600),
-  hover: rgba(white, .04), // TODO(kara): check style with Material Design UX
+  hover: rgb(white, .04), // TODO(kara): check style with Material Design UX
   card: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 500),
   dialog: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 800),
-  disabled-button: rgba(white, .12),
+  disabled-button: rgb(white, .12),
   raised-button: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 800),
-  focused-button: rgba(white, .12),
+  focused-button: rgb(white, .12),
   selected-button: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 900),
   selected-disabled-button: mat.m2-get-color-from-palette(palettes.$app-palette-grey, 800),
   disabled-button-toggle: black,
@@ -85,39 +85,39 @@ $dark-theme-background: (
 // Foreground (for texts) palette for light themes.
 $light-theme-foreground: (
   base: black,
-  divider: rgba(black, .12),
-  dividers: rgba(black, .12),
-  disabled: rgba(black, .38),
-  disabled-button: rgba(black, .26),
-  disabled-text: rgba(black, .38),
+  divider: rgb(black, .12),
+  dividers: rgb(black, .12),
+  disabled: rgb(black, .38),
+  disabled-button: rgb(black, .26),
+  disabled-text: rgb(black, .38),
   elevation: black,
-  hint-text: rgba(black, .38),
-  secondary-text: rgba(black, .54),
-  icon: rgba(black, .54),
-  icons: rgba(black, .54),
-  text: rgba(black, .87),
-  slider-min: rgba(black, .87),
-  slider-off: rgba(black, .26),
-  slider-off-active: rgba(black, .38),
+  hint-text: rgb(black, .38),
+  secondary-text: rgb(black, .54),
+  icon: rgb(black, .54),
+  icons: rgb(black, .54),
+  text: rgb(black, .87),
+  slider-min: rgb(black, .87),
+  slider-off: rgb(black, .26),
+  slider-off-active: rgb(black, .38),
 );
 
 // Foreground (for texts) palette for dark themes.
 $dark-theme-foreground: (
   base: white,
-  divider: rgba(white, .12),
-  dividers: rgba(white, .12),
-  disabled: rgba(white, .38),
-  disabled-button: rgba(white, .26),
-  disabled-text: rgba(white, .38),
+  divider: rgb(white, .12),
+  dividers: rgb(white, .12),
+  disabled: rgb(white, .38),
+  disabled-button: rgb(white, .26),
+  disabled-text: rgb(white, .38),
   elevation: black,
-  hint-text: rgba(white, .38),
-  secondary-text: rgba(white, .54),
-  icon: rgba(white, .54),
-  icons: rgba(white, .54),
-  text: rgba(white, .87),
-  slider-min: rgba(white, .87),
-  slider-off: rgba(white, .26),
-  slider-off-active: rgba(white, .38),
+  hint-text: rgb(white, .38),
+  secondary-text: rgb(white, .54),
+  icon: rgb(white, .54),
+  icons: rgb(white, .54),
+  text: rgb(white, .87),
+  slider-min: rgb(white, .87),
+  slider-off: rgb(white, .26),
+  slider-off-active: rgb(white, .38),
 );
 
 // Light theme base definition