Fix bufsize/srate callbacks not triggered in some conditions

Signed-off-by: falkTX <falktx@falktx.com>

Author: falkTX

distrho/src/DistrhoPluginJACK.cpp

@@ -807,7 +807,7 @@ class PluginProcessTestingThread : public Thread
 protected:
     void run() override
     {
-        plugin.setBufferSize(256);
+        plugin.setBufferSize(256, true);
         plugin.activate();
 
         float buffer[256];
@@ -862,8 +862,8 @@ bool runSelfTests()
 
         plugin.activate();
         plugin.deactivate();
-        plugin.setBufferSize(128);
-        plugin.setSampleRate(48000);
+        plugin.setBufferSize(128, true);
+        plugin.setSampleRate(48000, true);
         plugin.activate();
 
         float buffer[128] = {};

distrho/src/DistrhoPluginLV2.cpp

@@ -821,7 +821,7 @@ class PluginLv2
                 if (options[i].type == fURIDs.atomInt)
                 {
                     const int32_t bufferSize(*(const int32_t*)options[i].value);
-                    fPlugin.setBufferSize(bufferSize);
+                    fPlugin.setBufferSize(bufferSize, true);
                 }
                 else
                 {
@@ -833,7 +833,7 @@ class PluginLv2
                 if (options[i].type == fURIDs.atomInt)
                 {
                     const int32_t bufferSize(*(const int32_t*)options[i].value);
-                    fPlugin.setBufferSize(bufferSize);
+                    fPlugin.setBufferSize(bufferSize, true);
                 }
                 else
                 {
@@ -846,7 +846,7 @@ class PluginLv2
                 {
                     const float sampleRate(*(const float*)options[i].value);
                     fSampleRate = sampleRate;
-                    fPlugin.setSampleRate(sampleRate);
+                    fPlugin.setSampleRate(sampleRate, true);
                 }
                 else
                 {

distrho/src/DistrhoUILV2.cpp

@@ -259,7 +259,7 @@ class UiLv2
                 if (options[i].type == fURIDs.atomFloat)
                 {
                     const float sampleRate = *(const float*)options[i].value;
-                    fUI.setSampleRate(sampleRate);
+                    fUI.setSampleRate(sampleRate, true);
                     continue;
                 }
                 else