[AB-196] adding confirmation requirement to various commands

refactoring command received handler in order to re-use when confirmation has been given
removing reaction from showSuggestion and remind command
adding log message for message deleted message, in case the member left
all commands from now on must work without the member field from the message, as this is not available when retrieving the message

abstracto-application/abstracto-modules/experience-tracking/experience-tracking-impl/src/main/java/dev/sheldan/abstracto/experience/command/SetExpRole.java

@@ -66,6 +66,7 @@ public class SetExpRole extends AbstractConditionableCommand {
                 .async(true)
                 .supportsEmbedException(true)
                 .causesReaction(true)
+                .requiresConfirmation(true)
                 .parameters(parameters)
                 .help(helpInfo)
                 .build();

abstracto-application/abstracto-modules/experience-tracking/experience-tracking-impl/src/main/java/dev/sheldan/abstracto/experience/command/SyncRoles.java

@@ -52,6 +52,7 @@ public class SyncRoles extends AbstractConditionableCommand {
                 .module(ExperienceModuleDefinition.EXPERIENCE)
                 .templated(true)
                 .async(true)
+                .requiresConfirmation(true)
                 .supportsEmbedException(true)
                 .causesReaction(true)
                 .parameters(parameters)

abstracto-application/abstracto-modules/experience-tracking/experience-tracking-impl/src/main/java/dev/sheldan/abstracto/experience/command/UnSetExpRole.java

@@ -67,6 +67,7 @@ public class UnSetExpRole extends AbstractConditionableCommand {
                 .templated(true)
                 .async(true)
                 .causesReaction(true)
+                .requiresConfirmation(true)
                 .supportsEmbedException(true)
                 .parameters(parameters)
                 .help(helpInfo)